Home / 187,729.31-259,064.89-101,686.29

Finding the Fourth Proportional to 187,729.31, 259,064.89 and 101,686.29

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Solution

The fourth proportional to 187,729.31, 259,064.89 and 101,686.29 is: 140,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,729.31 : 259,064.89 = 101,686.29 : x
  2. Step 2: Convert to fraction form
    187,729.31/259,064.89 = 101,686.29/x
  3. Step 3: Cross multiply
    187,729.31x = 259,064.89 × 101,686.29
  4. Step 4: Simplify right side
    187,729.31x = 26,343,347,533.36
  5. Step 5: Solve for x
    x = 26,343,347,533.36/187,729.31
  6. Step 6: Final answer
    x = 140,326.24

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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.