Home / 112,812.30-169,218.45-93,113.10

Finding the Fourth Proportional to 112,812.30, 169,218.45 and 93,113.10

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Solution

The fourth proportional to 112,812.30, 169,218.45 and 93,113.10 is: 139,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,812.30 : 169,218.45 = 93,113.10 : x
  2. Step 2: Convert to fraction form
    112,812.30/169,218.45 = 93,113.10/x
  3. Step 3: Cross multiply
    112,812.30x = 169,218.45 × 93,113.10
  4. Step 4: Simplify right side
    112,812.30x = 15,756,454,456.70
  5. Step 5: Solve for x
    x = 15,756,454,456.70/112,812.30
  6. Step 6: Final answer
    x = 139,669.65

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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.