Home / 187,143.02-258,262.71-104,358.92

Finding the Fourth Proportional to 187,143.02, 258,262.71 and 104,358.92

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Solution

The fourth proportional to 187,143.02, 258,262.71 and 104,358.92 is: 144,018.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,143.02 : 258,262.71 = 104,358.92 : x
  2. Step 2: Convert to fraction form
    187,143.02/258,262.71 = 104,358.92/x
  3. Step 3: Cross multiply
    187,143.02x = 258,262.71 × 104,358.92
  4. Step 4: Simplify right side
    187,143.02x = 26,952,016,200.56
  5. Step 5: Solve for x
    x = 26,952,016,200.56/187,143.02
  6. Step 6: Final answer
    x = 144,018.29

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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.