Home / 151,479.11-209,045.60-83,496.90

Finding the Fourth Proportional to 151,479.11, 209,045.60 and 83,496.90

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Solution

The fourth proportional to 151,479.11, 209,045.60 and 83,496.90 is: 115,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,479.11 : 209,045.60 = 83,496.90 : x
  2. Step 2: Convert to fraction form
    151,479.11/209,045.60 = 83,496.90/x
  3. Step 3: Cross multiply
    151,479.11x = 209,045.60 × 83,496.90
  4. Step 4: Simplify right side
    151,479.11x = 17,454,659,558.64
  5. Step 5: Solve for x
    x = 17,454,659,558.64/151,479.11
  6. Step 6: Final answer
    x = 115,228.16

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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.