Home / 131,724.97-197,428.34-64,155.74

Finding the Fourth Proportional to 131,724.97, 197,428.34 and 64,155.74

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Solution

The fourth proportional to 131,724.97, 197,428.34 and 64,155.74 is: 96,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,724.97 : 197,428.34 = 64,155.74 : x
  2. Step 2: Convert to fraction form
    131,724.97/197,428.34 = 64,155.74/x
  3. Step 3: Cross multiply
    131,724.97x = 197,428.34 × 64,155.74
  4. Step 4: Simplify right side
    131,724.97x = 12,666,159,941.75
  5. Step 5: Solve for x
    x = 12,666,159,941.75/131,724.97
  6. Step 6: Final answer
    x = 96,156.11

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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.