Home / 187,538.04-281,025-75,106.80

Finding the Fourth Proportional to 187,538.04, 281,025 and 75,106.80

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Solution

The fourth proportional to 187,538.04, 281,025 and 75,106.80 is: 112,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,538.04 : 281,025 = 75,106.80 : x
  2. Step 2: Convert to fraction form
    187,538.04/281,025 = 75,106.80/x
  3. Step 3: Cross multiply
    187,538.04x = 281,025 × 75,106.80
  4. Step 4: Simplify right side
    187,538.04x = 21,106,888,470
  5. Step 5: Solve for x
    x = 21,106,888,470/187,538.04
  6. Step 6: Final answer
    x = 112,547.24

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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.