Home / 142,034.19-196,000.63-81,562.29

Finding the Fourth Proportional to 142,034.19, 196,000.63 and 81,562.29

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Solution

The fourth proportional to 142,034.19, 196,000.63 and 81,562.29 is: 112,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,034.19 : 196,000.63 = 81,562.29 : x
  2. Step 2: Convert to fraction form
    142,034.19/196,000.63 = 81,562.29/x
  3. Step 3: Cross multiply
    142,034.19x = 196,000.63 × 81,562.29
  4. Step 4: Simplify right side
    142,034.19x = 15,986,259,816.43
  5. Step 5: Solve for x
    x = 15,986,259,816.43/142,034.19
  6. Step 6: Final answer
    x = 112,552.19

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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.