Home / 162,434.16-224,164.08-90,817.20

Finding the Fourth Proportional to 162,434.16, 224,164.08 and 90,817.20

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Solution

The fourth proportional to 162,434.16, 224,164.08 and 90,817.20 is: 125,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,434.16 : 224,164.08 = 90,817.20 : x
  2. Step 2: Convert to fraction form
    162,434.16/224,164.08 = 90,817.20/x
  3. Step 3: Cross multiply
    162,434.16x = 224,164.08 × 90,817.20
  4. Step 4: Simplify right side
    162,434.16x = 20,357,954,086.18
  5. Step 5: Solve for x
    x = 20,357,954,086.18/162,434.16
  6. Step 6: Final answer
    x = 125,330.50

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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.