Home / 162,521.19-243,738.09-57,326.31

Finding the Fourth Proportional to 162,521.19, 243,738.09 and 57,326.31

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Solution

The fourth proportional to 162,521.19, 243,738.09 and 57,326.31 is: 85,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,521.19 : 243,738.09 = 57,326.31 : x
  2. Step 2: Convert to fraction form
    162,521.19/243,738.09 = 57,326.31/x
  3. Step 3: Cross multiply
    162,521.19x = 243,738.09 × 57,326.31
  4. Step 4: Simplify right side
    162,521.19x = 13,972,605,306.15
  5. Step 5: Solve for x
    x = 13,972,605,306.15/162,521.19
  6. Step 6: Final answer
    x = 85,974.05

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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.