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Finding the Fourth Proportional to 162,441.55, 224,101.43 and 126,569.28

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Solution

The fourth proportional to 162,441.55, 224,101.43 and 126,569.28 is: 174,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,441.55 : 224,101.43 = 126,569.28 : x
  2. Step 2: Convert to fraction form
    162,441.55/224,101.43 = 126,569.28/x
  3. Step 3: Cross multiply
    162,441.55x = 224,101.43 × 126,569.28
  4. Step 4: Simplify right side
    162,441.55x = 28,364,358,036.19
  5. Step 5: Solve for x
    x = 28,364,358,036.19/162,441.55
  6. Step 6: Final answer
    x = 174,612.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.