Home / 187,019.52-280,535.04-81,784.32

Finding the Fourth Proportional to 187,019.52, 280,535.04 and 81,784.32

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Solution

The fourth proportional to 187,019.52, 280,535.04 and 81,784.32 is: 122,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,019.52 : 280,535.04 = 81,784.32 : x
  2. Step 2: Convert to fraction form
    187,019.52/280,535.04 = 81,784.32/x
  3. Step 3: Cross multiply
    187,019.52x = 280,535.04 × 81,784.32
  4. Step 4: Simplify right side
    187,019.52x = 22,943,367,482.57
  5. Step 5: Solve for x
    x = 22,943,367,482.57/187,019.52
  6. Step 6: Final answer
    x = 122,679.00

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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.