Home / 134,882.04-186,143.40-77,539.95

Finding the Fourth Proportional to 134,882.04, 186,143.40 and 77,539.95

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Solution

The fourth proportional to 134,882.04, 186,143.40 and 77,539.95 is: 107,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,882.04 : 186,143.40 = 77,539.95 : x
  2. Step 2: Convert to fraction form
    134,882.04/186,143.40 = 77,539.95/x
  3. Step 3: Cross multiply
    134,882.04x = 186,143.40 × 77,539.95
  4. Step 4: Simplify right side
    134,882.04x = 14,433,549,928.83
  5. Step 5: Solve for x
    x = 14,433,549,928.83/134,882.04
  6. Step 6: Final answer
    x = 107,008.69

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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.