Home / 105,484.38-158,113.10-52,102.46

Finding the Fourth Proportional to 105,484.38, 158,113.10 and 52,102.46

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Solution

The fourth proportional to 105,484.38, 158,113.10 and 52,102.46 is: 78,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,484.38 : 158,113.10 = 52,102.46 : x
  2. Step 2: Convert to fraction form
    105,484.38/158,113.10 = 52,102.46/x
  3. Step 3: Cross multiply
    105,484.38x = 158,113.10 × 52,102.46
  4. Step 4: Simplify right side
    105,484.38x = 8,238,081,468.23
  5. Step 5: Solve for x
    x = 8,238,081,468.23/105,484.38
  6. Step 6: Final answer
    x = 78,097.64

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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.