Home / 218,501.13-301,531.23-123,038.58

Finding the Fourth Proportional to 218,501.13, 301,531.23 and 123,038.58

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Solution

The fourth proportional to 218,501.13, 301,531.23 and 123,038.58 is: 169,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,501.13 : 301,531.23 = 123,038.58 : x
  2. Step 2: Convert to fraction form
    218,501.13/301,531.23 = 123,038.58/x
  3. Step 3: Cross multiply
    218,501.13x = 301,531.23 × 123,038.58
  4. Step 4: Simplify right side
    218,501.13x = 37,099,974,364.85
  5. Step 5: Solve for x
    x = 37,099,974,364.85/218,501.13
  6. Step 6: Final answer
    x = 169,793.05

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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.