Home / 139,275.50-192,358.44-93,875.24

Finding the Fourth Proportional to 139,275.50, 192,358.44 and 93,875.24

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Solution

The fourth proportional to 139,275.50, 192,358.44 and 93,875.24 is: 129,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,275.50 : 192,358.44 = 93,875.24 : x
  2. Step 2: Convert to fraction form
    139,275.50/192,358.44 = 93,875.24/x
  3. Step 3: Cross multiply
    139,275.50x = 192,358.44 × 93,875.24
  4. Step 4: Simplify right side
    139,275.50x = 18,057,694,721.03
  5. Step 5: Solve for x
    x = 18,057,694,721.03/139,275.50
  6. Step 6: Final answer
    x = 129,654.50

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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.