Home / 98,737.72-136,257.40-53,415.52

Finding the Fourth Proportional to 98,737.72, 136,257.40 and 53,415.52

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Solution

The fourth proportional to 98,737.72, 136,257.40 and 53,415.52 is: 73,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,737.72 : 136,257.40 = 53,415.52 : x
  2. Step 2: Convert to fraction form
    98,737.72/136,257.40 = 53,415.52/x
  3. Step 3: Cross multiply
    98,737.72x = 136,257.40 × 53,415.52
  4. Step 4: Simplify right side
    98,737.72x = 7,278,259,874.85
  5. Step 5: Solve for x
    x = 7,278,259,874.85/98,737.72
  6. Step 6: Final answer
    x = 73,713.06

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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.