Home / 90,267.12-124,572.90-54,456.36

Finding the Fourth Proportional to 90,267.12, 124,572.90 and 54,456.36

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Solution

The fourth proportional to 90,267.12, 124,572.90 and 54,456.36 is: 75,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,267.12 : 124,572.90 = 54,456.36 : x
  2. Step 2: Convert to fraction form
    90,267.12/124,572.90 = 54,456.36/x
  3. Step 3: Cross multiply
    90,267.12x = 124,572.90 × 54,456.36
  4. Step 4: Simplify right side
    90,267.12x = 6,783,786,688.64
  5. Step 5: Solve for x
    x = 6,783,786,688.64/90,267.12
  6. Step 6: Final answer
    x = 75,152.36

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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.