Home / 160,428.24-240,878.90-89,489.47

Finding the Fourth Proportional to 160,428.24, 240,878.90 and 89,489.47

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Solution

The fourth proportional to 160,428.24, 240,878.90 and 89,489.47 is: 134,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,428.24 : 240,878.90 = 89,489.47 : x
  2. Step 2: Convert to fraction form
    160,428.24/240,878.90 = 89,489.47/x
  3. Step 3: Cross multiply
    160,428.24x = 240,878.90 × 89,489.47
  4. Step 4: Simplify right side
    160,428.24x = 21,556,125,095.18
  5. Step 5: Solve for x
    x = 21,556,125,095.18/160,428.24
  6. Step 6: Final answer
    x = 134,366.15

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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.