Home / 187,271.48-258,371.34-106,641.84

Finding the Fourth Proportional to 187,271.48, 258,371.34 and 106,641.84

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Solution

The fourth proportional to 187,271.48, 258,371.34 and 106,641.84 is: 147,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,271.48 : 258,371.34 = 106,641.84 : x
  2. Step 2: Convert to fraction form
    187,271.48/258,371.34 = 106,641.84/x
  3. Step 3: Cross multiply
    187,271.48x = 258,371.34 × 106,641.84
  4. Step 4: Simplify right side
    187,271.48x = 27,553,195,100.87
  5. Step 5: Solve for x
    x = 27,553,195,100.87/187,271.48
  6. Step 6: Final answer
    x = 147,129.69

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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.