Home / 117,158.40-175,719.78-38,272.50

Finding the Fourth Proportional to 117,158.40, 175,719.78 and 38,272.50

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Solution

The fourth proportional to 117,158.40, 175,719.78 and 38,272.50 is: 57,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,158.40 : 175,719.78 = 38,272.50 : x
  2. Step 2: Convert to fraction form
    117,158.40/175,719.78 = 38,272.50/x
  3. Step 3: Cross multiply
    117,158.40x = 175,719.78 × 38,272.50
  4. Step 4: Simplify right side
    117,158.40x = 6,725,235,280.05
  5. Step 5: Solve for x
    x = 6,725,235,280.05/117,158.40
  6. Step 6: Final answer
    x = 57,402.93

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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.