Home / 97,108.65-134,010.15-54,087.78

Finding the Fourth Proportional to 97,108.65, 134,010.15 and 54,087.78

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Solution

The fourth proportional to 97,108.65, 134,010.15 and 54,087.78 is: 74,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,108.65 : 134,010.15 = 54,087.78 : x
  2. Step 2: Convert to fraction form
    97,108.65/134,010.15 = 54,087.78/x
  3. Step 3: Cross multiply
    97,108.65x = 134,010.15 × 54,087.78
  4. Step 4: Simplify right side
    97,108.65x = 7,248,311,510.97
  5. Step 5: Solve for x
    x = 7,248,311,510.97/97,108.65
  6. Step 6: Final answer
    x = 74,641.26

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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.