Home / 117,554.16-176,265-38,647.20

Finding the Fourth Proportional to 117,554.16, 176,265 and 38,647.20

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Solution

The fourth proportional to 117,554.16, 176,265 and 38,647.20 is: 57,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.16 : 176,265 = 38,647.20 : x
  2. Step 2: Convert to fraction form
    117,554.16/176,265 = 38,647.20/x
  3. Step 3: Cross multiply
    117,554.16x = 176,265 × 38,647.20
  4. Step 4: Simplify right side
    117,554.16x = 6,812,148,708.00
  5. Step 5: Solve for x
    x = 6,812,148,708.00/117,554.16
  6. Step 6: Final answer
    x = 57,949.02

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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.