Home / 187,242.30-280,699.43-112,392.23

Finding the Fourth Proportional to 187,242.30, 280,699.43 and 112,392.23

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Solution

The fourth proportional to 187,242.30, 280,699.43 and 112,392.23 is: 168,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,242.30 : 280,699.43 = 112,392.23 : x
  2. Step 2: Convert to fraction form
    187,242.30/280,699.43 = 112,392.23/x
  3. Step 3: Cross multiply
    187,242.30x = 280,699.43 × 112,392.23
  4. Step 4: Simplify right side
    187,242.30x = 31,548,432,931.97
  5. Step 5: Solve for x
    x = 31,548,432,931.97/187,242.30
  6. Step 6: Final answer
    x = 168,489.88

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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.