Home / 134,311.36-185,340.54-77,731.24

Finding the Fourth Proportional to 134,311.36, 185,340.54 and 77,731.24

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Solution

The fourth proportional to 134,311.36, 185,340.54 and 77,731.24 is: 107,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,311.36 : 185,340.54 = 77,731.24 : x
  2. Step 2: Convert to fraction form
    134,311.36/185,340.54 = 77,731.24/x
  3. Step 3: Cross multiply
    134,311.36x = 185,340.54 × 77,731.24
  4. Step 4: Simplify right side
    134,311.36x = 14,406,749,996.47
  5. Step 5: Solve for x
    x = 14,406,749,996.47/134,311.36
  6. Step 6: Final answer
    x = 107,263.82

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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.