Home / 88,920.28-133,417.86-38,974.60

Finding the Fourth Proportional to 88,920.28, 133,417.86 and 38,974.60

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Solution

The fourth proportional to 88,920.28, 133,417.86 and 38,974.60 is: 58,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,920.28 : 133,417.86 = 38,974.60 : x
  2. Step 2: Convert to fraction form
    88,920.28/133,417.86 = 38,974.60/x
  3. Step 3: Cross multiply
    88,920.28x = 133,417.86 × 38,974.60
  4. Step 4: Simplify right side
    88,920.28x = 5,199,907,726.36
  5. Step 5: Solve for x
    x = 5,199,907,726.36/88,920.28
  6. Step 6: Final answer
    x = 58,478.31

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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.