Home / 186,032.64-279,044.10-72,148.26

Finding the Fourth Proportional to 186,032.64, 279,044.10 and 72,148.26

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Solution

The fourth proportional to 186,032.64, 279,044.10 and 72,148.26 is: 108,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,032.64 : 279,044.10 = 72,148.26 : x
  2. Step 2: Convert to fraction form
    186,032.64/279,044.10 = 72,148.26/x
  3. Step 3: Cross multiply
    186,032.64x = 279,044.10 × 72,148.26
  4. Step 4: Simplify right side
    186,032.64x = 20,132,546,278.27
  5. Step 5: Solve for x
    x = 20,132,546,278.27/186,032.64
  6. Step 6: Final answer
    x = 108,220.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.