Home / 131,543.40-197,153.10-89,423.40

Finding the Fourth Proportional to 131,543.40, 197,153.10 and 89,423.40

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Solution

The fourth proportional to 131,543.40, 197,153.10 and 89,423.40 is: 134,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,543.40 : 197,153.10 = 89,423.40 : x
  2. Step 2: Convert to fraction form
    131,543.40/197,153.10 = 89,423.40/x
  3. Step 3: Cross multiply
    131,543.40x = 197,153.10 × 89,423.40
  4. Step 4: Simplify right side
    131,543.40x = 17,630,100,522.54
  5. Step 5: Solve for x
    x = 17,630,100,522.54/131,543.40
  6. Step 6: Final answer
    x = 134,024.97

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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.