Home / 112,929.30-155,909.97-70,545.24

Finding the Fourth Proportional to 112,929.30, 155,909.97 and 70,545.24

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Solution

The fourth proportional to 112,929.30, 155,909.97 and 70,545.24 is: 97,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,929.30 : 155,909.97 = 70,545.24 : x
  2. Step 2: Convert to fraction form
    112,929.30/155,909.97 = 70,545.24/x
  3. Step 3: Cross multiply
    112,929.30x = 155,909.97 × 70,545.24
  4. Step 4: Simplify right side
    112,929.30x = 10,998,706,252.04
  5. Step 5: Solve for x
    x = 10,998,706,252.04/112,929.30
  6. Step 6: Final answer
    x = 97,394.62

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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.