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Finding the Fourth Proportional to 156,073, 234,144.24 and 61,312.36

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Solution

The fourth proportional to 156,073, 234,144.24 and 61,312.36 is: 91,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,073 : 234,144.24 = 61,312.36 : x
  2. Step 2: Convert to fraction form
    156,073/234,144.24 = 61,312.36/x
  3. Step 3: Cross multiply
    156,073x = 234,144.24 × 61,312.36
  4. Step 4: Simplify right side
    156,073x = 14,355,935,934.81
  5. Step 5: Solve for x
    x = 14,355,935,934.81/156,073
  6. Step 6: Final answer
    x = 91,982.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.