Home / 187,038.42-258,049.02-106,445.71

Finding the Fourth Proportional to 187,038.42, 258,049.02 and 106,445.71

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Solution

The fourth proportional to 187,038.42, 258,049.02 and 106,445.71 is: 146,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,038.42 : 258,049.02 = 106,445.71 : x
  2. Step 2: Convert to fraction form
    187,038.42/258,049.02 = 106,445.71/x
  3. Step 3: Cross multiply
    187,038.42x = 258,049.02 × 106,445.71
  4. Step 4: Simplify right side
    187,038.42x = 27,468,211,148.70
  5. Step 5: Solve for x
    x = 27,468,211,148.70/187,038.42
  6. Step 6: Final answer
    x = 146,858.66

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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.