Home / 134,532.76-185,655.24-77,976.94

Finding the Fourth Proportional to 134,532.76, 185,655.24 and 77,976.94

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Solution

The fourth proportional to 134,532.76, 185,655.24 and 77,976.94 is: 107,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,532.76 : 185,655.24 = 77,976.94 : x
  2. Step 2: Convert to fraction form
    134,532.76/185,655.24 = 77,976.94/x
  3. Step 3: Cross multiply
    134,532.76x = 185,655.24 × 77,976.94
  4. Step 4: Simplify right side
    134,532.76x = 14,476,827,510.17
  5. Step 5: Solve for x
    x = 14,476,827,510.17/134,532.76
  6. Step 6: Final answer
    x = 107,608.20

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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.