Home / 187,997.76-259,439.04-103,124.16

Finding the Fourth Proportional to 187,997.76, 259,439.04 and 103,124.16

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Solution

The fourth proportional to 187,997.76, 259,439.04 and 103,124.16 is: 142,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,997.76 : 259,439.04 = 103,124.16 : x
  2. Step 2: Convert to fraction form
    187,997.76/259,439.04 = 103,124.16/x
  3. Step 3: Cross multiply
    187,997.76x = 259,439.04 × 103,124.16
  4. Step 4: Simplify right side
    187,997.76x = 26,754,433,071.21
  5. Step 5: Solve for x
    x = 26,754,433,071.21/187,997.76
  6. Step 6: Final answer
    x = 142,312.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.