Home / 112,823.32-169,234.98-57,458.20

Finding the Fourth Proportional to 112,823.32, 169,234.98 and 57,458.20

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Solution

The fourth proportional to 112,823.32, 169,234.98 and 57,458.20 is: 86,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,823.32 : 169,234.98 = 57,458.20 : x
  2. Step 2: Convert to fraction form
    112,823.32/169,234.98 = 57,458.20/x
  3. Step 3: Cross multiply
    112,823.32x = 169,234.98 × 57,458.20
  4. Step 4: Simplify right side
    112,823.32x = 9,723,937,327.84
  5. Step 5: Solve for x
    x = 9,723,937,327.84/112,823.32
  6. Step 6: Final answer
    x = 86,187.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.