Home / 136,381.06-188,449.95-106,244.20

Finding the Fourth Proportional to 136,381.06, 188,449.95 and 106,244.20

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Solution

The fourth proportional to 136,381.06, 188,449.95 and 106,244.20 is: 146,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,381.06 : 188,449.95 = 106,244.20 : x
  2. Step 2: Convert to fraction form
    136,381.06/188,449.95 = 106,244.20/x
  3. Step 3: Cross multiply
    136,381.06x = 188,449.95 × 106,244.20
  4. Step 4: Simplify right side
    136,381.06x = 20,021,714,177.79
  5. Step 5: Solve for x
    x = 20,021,714,177.79/136,381.06
  6. Step 6: Final answer
    x = 146,807.15

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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.