Home / 162,425.66-224,152.35-90,808.70

Finding the Fourth Proportional to 162,425.66, 224,152.35 and 90,808.70

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Solution

The fourth proportional to 162,425.66, 224,152.35 and 90,808.70 is: 125,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,425.66 : 224,152.35 = 90,808.70 : x
  2. Step 2: Convert to fraction form
    162,425.66/224,152.35 = 90,808.70/x
  3. Step 3: Cross multiply
    162,425.66x = 224,152.35 × 90,808.70
  4. Step 4: Simplify right side
    162,425.66x = 20,354,983,505.45
  5. Step 5: Solve for x
    x = 20,354,983,505.45/162,425.66
  6. Step 6: Final answer
    x = 125,318.77

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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.