Home / 151,802.96-209,496.20-88,160.72

Finding the Fourth Proportional to 151,802.96, 209,496.20 and 88,160.72

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Solution

The fourth proportional to 151,802.96, 209,496.20 and 88,160.72 is: 121,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,802.96 : 209,496.20 = 88,160.72 : x
  2. Step 2: Convert to fraction form
    151,802.96/209,496.20 = 88,160.72/x
  3. Step 3: Cross multiply
    151,802.96x = 209,496.20 × 88,160.72
  4. Step 4: Simplify right side
    151,802.96x = 18,469,335,829.26
  5. Step 5: Solve for x
    x = 18,469,335,829.26/151,802.96
  6. Step 6: Final answer
    x = 121,666.51

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1.5x scale

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.