Home / 243,875.46-336,561.21-136,439.07

Finding the Fourth Proportional to 243,875.46, 336,561.21 and 136,439.07

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Solution

The fourth proportional to 243,875.46, 336,561.21 and 136,439.07 is: 188,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,875.46 : 336,561.21 = 136,439.07 : x
  2. Step 2: Convert to fraction form
    243,875.46/336,561.21 = 136,439.07/x
  3. Step 3: Cross multiply
    243,875.46x = 336,561.21 × 136,439.07
  4. Step 4: Simplify right side
    243,875.46x = 45,920,098,490.47
  5. Step 5: Solve for x
    x = 45,920,098,490.47/243,875.46
  6. Step 6: Final answer
    x = 188,293.23

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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.