Home / 150,501.03-207,695.39-85,084.65

Finding the Fourth Proportional to 150,501.03, 207,695.39 and 85,084.65

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Solution

The fourth proportional to 150,501.03, 207,695.39 and 85,084.65 is: 117,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,501.03 : 207,695.39 = 85,084.65 : x
  2. Step 2: Convert to fraction form
    150,501.03/207,695.39 = 85,084.65/x
  3. Step 3: Cross multiply
    150,501.03x = 207,695.39 × 85,084.65
  4. Step 4: Simplify right side
    150,501.03x = 17,671,689,139.34
  5. Step 5: Solve for x
    x = 17,671,689,139.34/150,501.03
  6. Step 6: Final answer
    x = 117,419.06

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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.