Home / 149,897.43-206,948.56-93,385.35

Finding the Fourth Proportional to 149,897.43, 206,948.56 and 93,385.35

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Solution

The fourth proportional to 149,897.43, 206,948.56 and 93,385.35 is: 128,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,897.43 : 206,948.56 = 93,385.35 : x
  2. Step 2: Convert to fraction form
    149,897.43/206,948.56 = 93,385.35/x
  3. Step 3: Cross multiply
    149,897.43x = 206,948.56 × 93,385.35
  4. Step 4: Simplify right side
    149,897.43x = 19,325,964,458.43
  5. Step 5: Solve for x
    x = 19,325,964,458.43/149,897.43
  6. Step 6: Final answer
    x = 128,927.92

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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.