Home / 187,312.40-280,524.72-107,393.84

Finding the Fourth Proportional to 187,312.40, 280,524.72 and 107,393.84

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Solution

The fourth proportional to 187,312.40, 280,524.72 and 107,393.84 is: 160,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,312.40 : 280,524.72 = 107,393.84 : x
  2. Step 2: Convert to fraction form
    187,312.40/280,524.72 = 107,393.84/x
  3. Step 3: Cross multiply
    187,312.40x = 280,524.72 × 107,393.84
  4. Step 4: Simplify right side
    187,312.40x = 30,126,626,895.72
  5. Step 5: Solve for x
    x = 30,126,626,895.72/187,312.40
  6. Step 6: Final answer
    x = 160,836.27

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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.