Home / 131,059.62-180,885.56-77,340.83

Finding the Fourth Proportional to 131,059.62, 180,885.56 and 77,340.83

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Solution

The fourth proportional to 131,059.62, 180,885.56 and 77,340.83 is: 106,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,059.62 : 180,885.56 = 77,340.83 : x
  2. Step 2: Convert to fraction form
    131,059.62/180,885.56 = 77,340.83/x
  3. Step 3: Cross multiply
    131,059.62x = 180,885.56 × 77,340.83
  4. Step 4: Simplify right side
    131,059.62x = 13,989,838,054.28
  5. Step 5: Solve for x
    x = 13,989,838,054.28/131,059.62
  6. Step 6: Final answer
    x = 106,744.08

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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.