Home / 151,752.68-209,444.26-88,143.72

Finding the Fourth Proportional to 151,752.68, 209,444.26 and 88,143.72

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Solution

The fourth proportional to 151,752.68, 209,444.26 and 88,143.72 is: 121,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,752.68 : 209,444.26 = 88,143.72 : x
  2. Step 2: Convert to fraction form
    151,752.68/209,444.26 = 88,143.72/x
  3. Step 3: Cross multiply
    151,752.68x = 209,444.26 × 88,143.72
  4. Step 4: Simplify right side
    151,752.68x = 18,461,196,209.05
  5. Step 5: Solve for x
    x = 18,461,196,209.05/151,752.68
  6. Step 6: Final answer
    x = 121,653.18

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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.