Home / 149,812.08-206,686.95-88,545.42

Finding the Fourth Proportional to 149,812.08, 206,686.95 and 88,545.42

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Solution

The fourth proportional to 149,812.08, 206,686.95 and 88,545.42 is: 122,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,812.08 : 206,686.95 = 88,545.42 : x
  2. Step 2: Convert to fraction form
    149,812.08/206,686.95 = 88,545.42/x
  3. Step 3: Cross multiply
    149,812.08x = 206,686.95 × 88,545.42
  4. Step 4: Simplify right side
    149,812.08x = 18,301,182,796.27
  5. Step 5: Solve for x
    x = 18,301,182,796.27/149,812.08
  6. Step 6: Final answer
    x = 122,160.93

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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.