Home / 119,740.32-165,298.32-69,420.96

Finding the Fourth Proportional to 119,740.32, 165,298.32 and 69,420.96

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Solution

The fourth proportional to 119,740.32, 165,298.32 and 69,420.96 is: 95,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740.32 : 165,298.32 = 69,420.96 : x
  2. Step 2: Convert to fraction form
    119,740.32/165,298.32 = 69,420.96/x
  3. Step 3: Cross multiply
    119,740.32x = 165,298.32 × 69,420.96
  4. Step 4: Simplify right side
    119,740.32x = 11,475,168,060.79
  5. Step 5: Solve for x
    x = 11,475,168,060.79/119,740.32
  6. Step 6: Final answer
    x = 95,833.78

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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.