Home / 187,614.32-258,856.44-120,585.20

Finding the Fourth Proportional to 187,614.32, 258,856.44 and 120,585.20

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Solution

The fourth proportional to 187,614.32, 258,856.44 and 120,585.20 is: 166,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,614.32 : 258,856.44 = 120,585.20 : x
  2. Step 2: Convert to fraction form
    187,614.32/258,856.44 = 120,585.20/x
  3. Step 3: Cross multiply
    187,614.32x = 258,856.44 × 120,585.20
  4. Step 4: Simplify right side
    187,614.32x = 31,214,255,588.69
  5. Step 5: Solve for x
    x = 31,214,255,588.69/187,614.32
  6. Step 6: Final answer
    x = 166,374.59

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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.