Home / 151,502.86-209,073.58-83,519.29

Finding the Fourth Proportional to 151,502.86, 209,073.58 and 83,519.29

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Solution

The fourth proportional to 151,502.86, 209,073.58 and 83,519.29 is: 115,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,502.86 : 209,073.58 = 83,519.29 : x
  2. Step 2: Convert to fraction form
    151,502.86/209,073.58 = 83,519.29/x
  3. Step 3: Cross multiply
    151,502.86x = 209,073.58 × 83,519.29
  4. Step 4: Simplify right side
    151,502.86x = 17,461,676,959.36
  5. Step 5: Solve for x
    x = 17,461,676,959.36/151,502.86
  6. Step 6: Final answer
    x = 115,256.42

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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.