Home / 207,117.12-310,624.16-88,775.04

Finding the Fourth Proportional to 207,117.12, 310,624.16 and 88,775.04

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Solution

The fourth proportional to 207,117.12, 310,624.16 and 88,775.04 is: 133,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,117.12 : 310,624.16 = 88,775.04 : x
  2. Step 2: Convert to fraction form
    207,117.12/310,624.16 = 88,775.04/x
  3. Step 3: Cross multiply
    207,117.12x = 310,624.16 × 88,775.04
  4. Step 4: Simplify right side
    207,117.12x = 27,575,672,228.97
  5. Step 5: Solve for x
    x = 27,575,672,228.97/207,117.12
  6. Step 6: Final answer
    x = 133,140.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.