Home / 78,228.28-117,351.08-24,901.59

Finding the Fourth Proportional to 78,228.28, 117,351.08 and 24,901.59

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Solution

The fourth proportional to 78,228.28, 117,351.08 and 24,901.59 is: 37,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,228.28 : 117,351.08 = 24,901.59 : x
  2. Step 2: Convert to fraction form
    78,228.28/117,351.08 = 24,901.59/x
  3. Step 3: Cross multiply
    78,228.28x = 117,351.08 × 24,901.59
  4. Step 4: Simplify right side
    78,228.28x = 2,922,228,889.16
  5. Step 5: Solve for x
    x = 2,922,228,889.16/78,228.28
  6. Step 6: Final answer
    x = 37,355.15

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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.