Home / 87,437.97-120,684.54-51,156.24

Finding the Fourth Proportional to 87,437.97, 120,684.54 and 51,156.24

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Solution

The fourth proportional to 87,437.97, 120,684.54 and 51,156.24 is: 70,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,437.97 : 120,684.54 = 51,156.24 : x
  2. Step 2: Convert to fraction form
    87,437.97/120,684.54 = 51,156.24/x
  3. Step 3: Cross multiply
    87,437.97x = 120,684.54 × 51,156.24
  4. Step 4: Simplify right side
    87,437.97x = 6,173,767,292.53
  5. Step 5: Solve for x
    x = 6,173,767,292.53/87,437.97
  6. Step 6: Final answer
    x = 70,607.40

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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.