Home / 187,275.24-280,914.89-54,156.74

Finding the Fourth Proportional to 187,275.24, 280,914.89 and 54,156.74

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Solution

The fourth proportional to 187,275.24, 280,914.89 and 54,156.74 is: 81,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,275.24 : 280,914.89 = 54,156.74 : x
  2. Step 2: Convert to fraction form
    187,275.24/280,914.89 = 54,156.74/x
  3. Step 3: Cross multiply
    187,275.24x = 280,914.89 × 54,156.74
  4. Step 4: Simplify right side
    187,275.24x = 15,213,432,984.50
  5. Step 5: Solve for x
    x = 15,213,432,984.50/187,275.24
  6. Step 6: Final answer
    x = 81,235.69

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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.