Home / 131,423.18-197,093.41-42,656.18

Finding the Fourth Proportional to 131,423.18, 197,093.41 and 42,656.18

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Solution

The fourth proportional to 131,423.18, 197,093.41 and 42,656.18 is: 63,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.18 : 197,093.41 = 42,656.18 : x
  2. Step 2: Convert to fraction form
    131,423.18/197,093.41 = 42,656.18/x
  3. Step 3: Cross multiply
    131,423.18x = 197,093.41 × 42,656.18
  4. Step 4: Simplify right side
    131,423.18x = 8,407,251,973.77
  5. Step 5: Solve for x
    x = 8,407,251,973.77/131,423.18
  6. Step 6: Final answer
    x = 63,970.85

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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.