Home / 142,490.04-212,682.73-125,680.56

Finding the Fourth Proportional to 142,490.04, 212,682.73 and 125,680.56

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Solution

The fourth proportional to 142,490.04, 212,682.73 and 125,680.56 is: 187,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,490.04 : 212,682.73 = 125,680.56 : x
  2. Step 2: Convert to fraction form
    142,490.04/212,682.73 = 125,680.56/x
  3. Step 3: Cross multiply
    142,490.04x = 212,682.73 × 125,680.56
  4. Step 4: Simplify right side
    142,490.04x = 26,730,084,608.73
  5. Step 5: Solve for x
    x = 26,730,084,608.73/142,490.04
  6. Step 6: Final answer
    x = 187,592.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.