Home / 95,143.87-142,732.30-31,970.16

Finding the Fourth Proportional to 95,143.87, 142,732.30 and 31,970.16

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Solution

The fourth proportional to 95,143.87, 142,732.30 and 31,970.16 is: 47,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,143.87 : 142,732.30 = 31,970.16 : x
  2. Step 2: Convert to fraction form
    95,143.87/142,732.30 = 31,970.16/x
  3. Step 3: Cross multiply
    95,143.87x = 142,732.30 × 31,970.16
  4. Step 4: Simplify right side
    95,143.87x = 4,563,174,468.17
  5. Step 5: Solve for x
    x = 4,563,174,468.17/95,143.87
  6. Step 6: Final answer
    x = 47,960.78

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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.