Home / 151,053.15-208,449.17-83,070.11

Finding the Fourth Proportional to 151,053.15, 208,449.17 and 83,070.11

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Solution

The fourth proportional to 151,053.15, 208,449.17 and 83,070.11 is: 114,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,053.15 : 208,449.17 = 83,070.11 : x
  2. Step 2: Convert to fraction form
    151,053.15/208,449.17 = 83,070.11/x
  3. Step 3: Cross multiply
    151,053.15x = 208,449.17 × 83,070.11
  4. Step 4: Simplify right side
    151,053.15x = 17,315,894,959.70
  5. Step 5: Solve for x
    x = 17,315,894,959.70/151,053.15
  6. Step 6: Final answer
    x = 114,634.45

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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.