Home / 187,885.26-259,281.66-103,002.92

Finding the Fourth Proportional to 187,885.26, 259,281.66 and 103,002.92

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Solution

The fourth proportional to 187,885.26, 259,281.66 and 103,002.92 is: 142,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,885.26 : 259,281.66 = 103,002.92 : x
  2. Step 2: Convert to fraction form
    187,885.26/259,281.66 = 103,002.92/x
  3. Step 3: Cross multiply
    187,885.26x = 259,281.66 × 103,002.92
  4. Step 4: Simplify right side
    187,885.26x = 26,706,768,082.45
  5. Step 5: Solve for x
    x = 26,706,768,082.45/187,885.26
  6. Step 6: Final answer
    x = 142,144.03

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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.