Home / 134,360.72-185,340.80-83,972.24

Finding the Fourth Proportional to 134,360.72, 185,340.80 and 83,972.24

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Solution

The fourth proportional to 134,360.72, 185,340.80 and 83,972.24 is: 115,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,360.72 : 185,340.80 = 83,972.24 : x
  2. Step 2: Convert to fraction form
    134,360.72/185,340.80 = 83,972.24/x
  3. Step 3: Cross multiply
    134,360.72x = 185,340.80 × 83,972.24
  4. Step 4: Simplify right side
    134,360.72x = 15,563,482,139.39
  5. Step 5: Solve for x
    x = 15,563,482,139.39/134,360.72
  6. Step 6: Final answer
    x = 115,833.57

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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.