Home / 187,041.23-258,116.90-102,158.50

Finding the Fourth Proportional to 187,041.23, 258,116.90 and 102,158.50

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Solution

The fourth proportional to 187,041.23, 258,116.90 and 102,158.50 is: 140,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,041.23 : 258,116.90 = 102,158.50 : x
  2. Step 2: Convert to fraction form
    187,041.23/258,116.90 = 102,158.50/x
  3. Step 3: Cross multiply
    187,041.23x = 258,116.90 × 102,158.50
  4. Step 4: Simplify right side
    187,041.23x = 26,368,835,518.50
  5. Step 5: Solve for x
    x = 26,368,835,518.50/187,041.23
  6. Step 6: Final answer
    x = 140,978.73

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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.