Home / 105,530.32-158,278.56-39,001.84

Finding the Fourth Proportional to 105,530.32, 158,278.56 and 39,001.84

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Solution

The fourth proportional to 105,530.32, 158,278.56 and 39,001.84 is: 58,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,530.32 : 158,278.56 = 39,001.84 : x
  2. Step 2: Convert to fraction form
    105,530.32/158,278.56 = 39,001.84/x
  3. Step 3: Cross multiply
    105,530.32x = 158,278.56 × 39,001.84
  4. Step 4: Simplify right side
    105,530.32x = 6,173,155,072.55
  5. Step 5: Solve for x
    x = 6,173,155,072.55/105,530.32
  6. Step 6: Final answer
    x = 58,496.51

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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.