Home / 107,981.72-149,017.02-60,237.08

Finding the Fourth Proportional to 107,981.72, 149,017.02 and 60,237.08

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Solution

The fourth proportional to 107,981.72, 149,017.02 and 60,237.08 is: 83,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,981.72 : 149,017.02 = 60,237.08 : x
  2. Step 2: Convert to fraction form
    107,981.72/149,017.02 = 60,237.08/x
  3. Step 3: Cross multiply
    107,981.72x = 149,017.02 × 60,237.08
  4. Step 4: Simplify right side
    107,981.72x = 8,976,350,155.10
  5. Step 5: Solve for x
    x = 8,976,350,155.10/107,981.72
  6. Step 6: Final answer
    x = 83,128.42

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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.