Home / 187,358.40-258,560.78-102,475.46

Finding the Fourth Proportional to 187,358.40, 258,560.78 and 102,475.46

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Solution

The fourth proportional to 187,358.40, 258,560.78 and 102,475.46 is: 141,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,358.40 : 258,560.78 = 102,475.46 : x
  2. Step 2: Convert to fraction form
    187,358.40/258,560.78 = 102,475.46/x
  3. Step 3: Cross multiply
    187,358.40x = 258,560.78 × 102,475.46
  4. Step 4: Simplify right side
    187,358.40x = 26,496,134,868.46
  5. Step 5: Solve for x
    x = 26,496,134,868.46/187,358.40
  6. Step 6: Final answer
    x = 141,419.52

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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.