Home / 187,275.51-258,376.90-106,645.86

Finding the Fourth Proportional to 187,275.51, 258,376.90 and 106,645.86

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Solution

The fourth proportional to 187,275.51, 258,376.90 and 106,645.86 is: 147,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,275.51 : 258,376.90 = 106,645.86 : x
  2. Step 2: Convert to fraction form
    187,275.51/258,376.90 = 106,645.86/x
  3. Step 3: Cross multiply
    187,275.51x = 258,376.90 × 106,645.86
  4. Step 4: Simplify right side
    187,275.51x = 27,554,827,617.19
  5. Step 5: Solve for x
    x = 27,554,827,617.19/187,275.51
  6. Step 6: Final answer
    x = 147,135.24

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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.