Home / 90,511.76-124,910.16-60,248.36

Finding the Fourth Proportional to 90,511.76, 124,910.16 and 60,248.36

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Solution

The fourth proportional to 90,511.76, 124,910.16 and 60,248.36 is: 83,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,511.76 : 124,910.16 = 60,248.36 : x
  2. Step 2: Convert to fraction form
    90,511.76/124,910.16 = 60,248.36/x
  3. Step 3: Cross multiply
    90,511.76x = 124,910.16 × 60,248.36
  4. Step 4: Simplify right side
    90,511.76x = 7,525,632,287.34
  5. Step 5: Solve for x
    x = 7,525,632,287.34/90,511.76
  6. Step 6: Final answer
    x = 83,145.35

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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.