Home / 156,754.91-235,129.12-38,426.87

Finding the Fourth Proportional to 156,754.91, 235,129.12 and 38,426.87

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Solution

The fourth proportional to 156,754.91, 235,129.12 and 38,426.87 is: 57,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,754.91 : 235,129.12 = 38,426.87 : x
  2. Step 2: Convert to fraction form
    156,754.91/235,129.12 = 38,426.87/x
  3. Step 3: Cross multiply
    156,754.91x = 235,129.12 × 38,426.87
  4. Step 4: Simplify right side
    156,754.91x = 9,035,274,855.74
  5. Step 5: Solve for x
    x = 9,035,274,855.74/156,754.91
  6. Step 6: Final answer
    x = 57,639.50

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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.