Home / 134,347.04-185,395.92-77,757.28

Finding the Fourth Proportional to 134,347.04, 185,395.92 and 77,757.28

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Solution

The fourth proportional to 134,347.04, 185,395.92 and 77,757.28 is: 107,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,347.04 : 185,395.92 = 77,757.28 : x
  2. Step 2: Convert to fraction form
    134,347.04/185,395.92 = 77,757.28/x
  3. Step 3: Cross multiply
    134,347.04x = 185,395.92 × 77,757.28
  4. Step 4: Simplify right side
    134,347.04x = 14,415,882,462.30
  5. Step 5: Solve for x
    x = 14,415,882,462.30/134,347.04
  6. Step 6: Final answer
    x = 107,303.31

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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.