Home / 131,364.90-197,045.46-89,140.14

Finding the Fourth Proportional to 131,364.90, 197,045.46 and 89,140.14

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Solution

The fourth proportional to 131,364.90, 197,045.46 and 89,140.14 is: 133,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,364.90 : 197,045.46 = 89,140.14 : x
  2. Step 2: Convert to fraction form
    131,364.90/197,045.46 = 89,140.14/x
  3. Step 3: Cross multiply
    131,364.90x = 197,045.46 × 89,140.14
  4. Step 4: Simplify right side
    131,364.90x = 17,564,659,890.76
  5. Step 5: Solve for x
    x = 17,564,659,890.76/131,364.90
  6. Step 6: Final answer
    x = 133,708.93

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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.