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Finding the Fourth Proportional to 162,430.71, 224,174.96 and 90,814.96

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Solution

The fourth proportional to 162,430.71, 224,174.96 and 90,814.96 is: 125,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,430.71 : 224,174.96 = 90,814.96 : x
  2. Step 2: Convert to fraction form
    162,430.71/224,174.96 = 90,814.96/x
  3. Step 3: Cross multiply
    162,430.71x = 224,174.96 × 90,814.96
  4. Step 4: Simplify right side
    162,430.71x = 20,358,440,025.40
  5. Step 5: Solve for x
    x = 20,358,440,025.40/162,430.71
  6. Step 6: Final answer
    x = 125,336.15

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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.