Home / 149,748.03-206,870.89-129,569.88

Finding the Fourth Proportional to 149,748.03, 206,870.89 and 129,569.88

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Solution

The fourth proportional to 149,748.03, 206,870.89 and 129,569.88 is: 178,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,748.03 : 206,870.89 = 129,569.88 : x
  2. Step 2: Convert to fraction form
    149,748.03/206,870.89 = 129,569.88/x
  3. Step 3: Cross multiply
    149,748.03x = 206,870.89 × 129,569.88
  4. Step 4: Simplify right side
    149,748.03x = 26,804,236,392.79
  5. Step 5: Solve for x
    x = 26,804,236,392.79/149,748.03
  6. Step 6: Final answer
    x = 178,995.59

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1.5x scale

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.