Home / 134,387.77-185,462.77-77,036.63

Finding the Fourth Proportional to 134,387.77, 185,462.77 and 77,036.63

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Solution

The fourth proportional to 134,387.77, 185,462.77 and 77,036.63 is: 106,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,387.77 : 185,462.77 = 77,036.63 : x
  2. Step 2: Convert to fraction form
    134,387.77/185,462.77 = 77,036.63/x
  3. Step 3: Cross multiply
    134,387.77x = 185,462.77 × 77,036.63
  4. Step 4: Simplify right side
    134,387.77x = 14,287,426,791.27
  5. Step 5: Solve for x
    x = 14,287,426,791.27/134,387.77
  6. Step 6: Final answer
    x = 106,314.93

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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.