Home / 142,567.01-196,734.66-81,304.21

Finding the Fourth Proportional to 142,567.01, 196,734.66 and 81,304.21

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Solution

The fourth proportional to 142,567.01, 196,734.66 and 81,304.21 is: 112,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,567.01 : 196,734.66 = 81,304.21 : x
  2. Step 2: Convert to fraction form
    142,567.01/196,734.66 = 81,304.21/x
  3. Step 3: Cross multiply
    142,567.01x = 196,734.66 × 81,304.21
  4. Step 4: Simplify right side
    142,567.01x = 15,995,355,288.32
  5. Step 5: Solve for x
    x = 15,995,355,288.32/142,567.01
  6. Step 6: Final answer
    x = 112,195.35

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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.