Home / 151,560.06-209,148.08-83,579.90

Finding the Fourth Proportional to 151,560.06, 209,148.08 and 83,579.90

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Solution

The fourth proportional to 151,560.06, 209,148.08 and 83,579.90 is: 115,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,560.06 : 209,148.08 = 83,579.90 : x
  2. Step 2: Convert to fraction form
    151,560.06/209,148.08 = 83,579.90/x
  3. Step 3: Cross multiply
    151,560.06x = 209,148.08 × 83,579.90
  4. Step 4: Simplify right side
    151,560.06x = 17,480,575,611.59
  5. Step 5: Solve for x
    x = 17,480,575,611.59/151,560.06
  6. Step 6: Final answer
    x = 115,337.61

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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.