Home / 136,038.48-204,092.30-79,926

Finding the Fourth Proportional to 136,038.48, 204,092.30 and 79,926

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Solution

The fourth proportional to 136,038.48, 204,092.30 and 79,926 is: 119,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,038.48 : 204,092.30 = 79,926 : x
  2. Step 2: Convert to fraction form
    136,038.48/204,092.30 = 79,926/x
  3. Step 3: Cross multiply
    136,038.48x = 204,092.30 × 79,926
  4. Step 4: Simplify right side
    136,038.48x = 16,312,281,169.80
  5. Step 5: Solve for x
    x = 16,312,281,169.80/136,038.48
  6. Step 6: Final answer
    x = 119,909.32

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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.