Home / 239,726.32-359,628.48-89,978.38

Finding the Fourth Proportional to 239,726.32, 359,628.48 and 89,978.38

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Solution

The fourth proportional to 239,726.32, 359,628.48 and 89,978.38 is: 134,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,726.32 : 359,628.48 = 89,978.38 : x
  2. Step 2: Convert to fraction form
    239,726.32/359,628.48 = 89,978.38/x
  3. Step 3: Cross multiply
    239,726.32x = 359,628.48 × 89,978.38
  4. Step 4: Simplify right side
    239,726.32x = 32,358,788,032.26
  5. Step 5: Solve for x
    x = 32,358,788,032.26/239,726.32
  6. Step 6: Final answer
    x = 134,982.21

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1.5x scale

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.