Home / 158,275.25-218,411.24-86,641.43

Finding the Fourth Proportional to 158,275.25, 218,411.24 and 86,641.43

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Solution

The fourth proportional to 158,275.25, 218,411.24 and 86,641.43 is: 119,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,275.25 : 218,411.24 = 86,641.43 : x
  2. Step 2: Convert to fraction form
    158,275.25/218,411.24 = 86,641.43/x
  3. Step 3: Cross multiply
    158,275.25x = 218,411.24 × 86,641.43
  4. Step 4: Simplify right side
    158,275.25x = 18,923,460,636.41
  5. Step 5: Solve for x
    x = 18,923,460,636.41/158,275.25
  6. Step 6: Final answer
    x = 119,560.46

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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.