Home / 162,331.79-224,013.57-90,712.40

Finding the Fourth Proportional to 162,331.79, 224,013.57 and 90,712.40

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Solution

The fourth proportional to 162,331.79, 224,013.57 and 90,712.40 is: 125,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,331.79 : 224,013.57 = 90,712.40 : x
  2. Step 2: Convert to fraction form
    162,331.79/224,013.57 = 90,712.40/x
  3. Step 3: Cross multiply
    162,331.79x = 224,013.57 × 90,712.40
  4. Step 4: Simplify right side
    162,331.79x = 20,320,808,567.27
  5. Step 5: Solve for x
    x = 20,320,808,567.27/162,331.79
  6. Step 6: Final answer
    x = 125,180.71

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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.