Home / 131,060.62-180,886.94-77,341.83

Finding the Fourth Proportional to 131,060.62, 180,886.94 and 77,341.83

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Solution

The fourth proportional to 131,060.62, 180,886.94 and 77,341.83 is: 106,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,060.62 : 180,886.94 = 77,341.83 : x
  2. Step 2: Convert to fraction form
    131,060.62/180,886.94 = 77,341.83/x
  3. Step 3: Cross multiply
    131,060.62x = 180,886.94 × 77,341.83
  4. Step 4: Simplify right side
    131,060.62x = 13,990,126,962.70
  5. Step 5: Solve for x
    x = 13,990,126,962.70/131,060.62
  6. Step 6: Final answer
    x = 106,745.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.