Home / 90,398.93-124,725.26-71,219.17

Finding the Fourth Proportional to 90,398.93, 124,725.26 and 71,219.17

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Solution

The fourth proportional to 90,398.93, 124,725.26 and 71,219.17 is: 98,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,398.93 : 124,725.26 = 71,219.17 : x
  2. Step 2: Convert to fraction form
    90,398.93/124,725.26 = 71,219.17/x
  3. Step 3: Cross multiply
    90,398.93x = 124,725.26 × 71,219.17
  4. Step 4: Simplify right side
    90,398.93x = 8,882,829,829.19
  5. Step 5: Solve for x
    x = 8,882,829,829.19/90,398.93
  6. Step 6: Final answer
    x = 98,262.56

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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.