Home / 187,567.28-258,842.85-102,684.35

Finding the Fourth Proportional to 187,567.28, 258,842.85 and 102,684.35

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Solution

The fourth proportional to 187,567.28, 258,842.85 and 102,684.35 is: 141,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,567.28 : 258,842.85 = 102,684.35 : x
  2. Step 2: Convert to fraction form
    187,567.28/258,842.85 = 102,684.35/x
  3. Step 3: Cross multiply
    187,567.28x = 258,842.85 × 102,684.35
  4. Step 4: Simplify right side
    187,567.28x = 26,579,109,804.40
  5. Step 5: Solve for x
    x = 26,579,109,804.40/187,567.28
  6. Step 6: Final answer
    x = 141,704.40

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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.