Home / 218,159.90-327,014.09-83,187.63

Finding the Fourth Proportional to 218,159.90, 327,014.09 and 83,187.63

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Solution

The fourth proportional to 218,159.90, 327,014.09 and 83,187.63 is: 124,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,159.90 : 327,014.09 = 83,187.63 : x
  2. Step 2: Convert to fraction form
    218,159.90/327,014.09 = 83,187.63/x
  3. Step 3: Cross multiply
    218,159.90x = 327,014.09 × 83,187.63
  4. Step 4: Simplify right side
    218,159.90x = 27,203,527,123.71
  5. Step 5: Solve for x
    x = 27,203,527,123.71/218,159.90
  6. Step 6: Final answer
    x = 124,695.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.