Home / 187,368.66-258,572.85-102,485.72

Finding the Fourth Proportional to 187,368.66, 258,572.85 and 102,485.72

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Solution

The fourth proportional to 187,368.66, 258,572.85 and 102,485.72 is: 141,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,368.66 : 258,572.85 = 102,485.72 : x
  2. Step 2: Convert to fraction form
    187,368.66/258,572.85 = 102,485.72/x
  3. Step 3: Cross multiply
    187,368.66x = 258,572.85 × 102,485.72
  4. Step 4: Simplify right side
    187,368.66x = 26,500,025,351.13
  5. Step 5: Solve for x
    x = 26,500,025,351.13/187,368.66
  6. Step 6: Final answer
    x = 141,432.54

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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.