Home / 243,397.10-335,886.39-135,966.18

Finding the Fourth Proportional to 243,397.10, 335,886.39 and 135,966.18

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Solution

The fourth proportional to 243,397.10, 335,886.39 and 135,966.18 is: 187,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,397.10 : 335,886.39 = 135,966.18 : x
  2. Step 2: Convert to fraction form
    243,397.10/335,886.39 = 135,966.18/x
  3. Step 3: Cross multiply
    243,397.10x = 335,886.39 × 135,966.18
  4. Step 4: Simplify right side
    243,397.10x = 45,669,189,362.29
  5. Step 5: Solve for x
    x = 45,669,189,362.29/243,397.10
  6. Step 6: Final answer
    x = 187,632.43

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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.