Home / 134,471.13-185,595.06-77,882.50

Finding the Fourth Proportional to 134,471.13, 185,595.06 and 77,882.50

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Solution

The fourth proportional to 134,471.13, 185,595.06 and 77,882.50 is: 107,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,471.13 : 185,595.06 = 77,882.50 : x
  2. Step 2: Convert to fraction form
    134,471.13/185,595.06 = 77,882.50/x
  3. Step 3: Cross multiply
    134,471.13x = 185,595.06 × 77,882.50
  4. Step 4: Simplify right side
    134,471.13x = 14,454,607,260.45
  5. Step 5: Solve for x
    x = 14,454,607,260.45/134,471.13
  6. Step 6: Final answer
    x = 107,492.27

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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.