Home / 187,017.30-258,079.77-102,134.70

Finding the Fourth Proportional to 187,017.30, 258,079.77 and 102,134.70

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Solution

The fourth proportional to 187,017.30, 258,079.77 and 102,134.70 is: 140,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,017.30 : 258,079.77 = 102,134.70 : x
  2. Step 2: Convert to fraction form
    187,017.30/258,079.77 = 102,134.70/x
  3. Step 3: Cross multiply
    187,017.30x = 258,079.77 × 102,134.70
  4. Step 4: Simplify right side
    187,017.30x = 26,358,899,885.02
  5. Step 5: Solve for x
    x = 26,358,899,885.02/187,017.30
  6. Step 6: Final answer
    x = 140,943.64

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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.