Home / 105,340.29-158,026.21-38,775.35

Finding the Fourth Proportional to 105,340.29, 158,026.21 and 38,775.35

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Solution

The fourth proportional to 105,340.29, 158,026.21 and 38,775.35 is: 58,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,340.29 : 158,026.21 = 38,775.35 : x
  2. Step 2: Convert to fraction form
    105,340.29/158,026.21 = 38,775.35/x
  3. Step 3: Cross multiply
    105,340.29x = 158,026.21 × 38,775.35
  4. Step 4: Simplify right side
    105,340.29x = 6,127,520,714.85
  5. Step 5: Solve for x
    x = 6,127,520,714.85/105,340.29
  6. Step 6: Final answer
    x = 58,168.82

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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.