Home / 187,311.70-280,967.55-124,326.10

Finding the Fourth Proportional to 187,311.70, 280,967.55 and 124,326.10

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Solution

The fourth proportional to 187,311.70, 280,967.55 and 124,326.10 is: 186,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,311.70 : 280,967.55 = 124,326.10 : x
  2. Step 2: Convert to fraction form
    187,311.70/280,967.55 = 124,326.10/x
  3. Step 3: Cross multiply
    187,311.70x = 280,967.55 × 124,326.10
  4. Step 4: Simplify right side
    187,311.70x = 34,931,599,718.06
  5. Step 5: Solve for x
    x = 34,931,599,718.06/187,311.70
  6. Step 6: Final answer
    x = 186,489.15

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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.