Home / 131,432.07-197,204.60-42,712.77

Finding the Fourth Proportional to 131,432.07, 197,204.60 and 42,712.77

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Solution

The fourth proportional to 131,432.07, 197,204.60 and 42,712.77 is: 64,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.07 : 197,204.60 = 42,712.77 : x
  2. Step 2: Convert to fraction form
    131,432.07/197,204.60 = 42,712.77/x
  3. Step 3: Cross multiply
    131,432.07x = 197,204.60 × 42,712.77
  4. Step 4: Simplify right side
    131,432.07x = 8,423,153,523.16
  5. Step 5: Solve for x
    x = 8,423,153,523.16/131,432.07
  6. Step 6: Final answer
    x = 64,087.51

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1.5x scale

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.