Home / 119,823.18-165,365.13-66,118.54

Finding the Fourth Proportional to 119,823.18, 165,365.13 and 66,118.54

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Solution

The fourth proportional to 119,823.18, 165,365.13 and 66,118.54 is: 91,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,823.18 : 165,365.13 = 66,118.54 : x
  2. Step 2: Convert to fraction form
    119,823.18/165,365.13 = 66,118.54/x
  3. Step 3: Cross multiply
    119,823.18x = 165,365.13 × 66,118.54
  4. Step 4: Simplify right side
    119,823.18x = 10,933,700,962.51
  5. Step 5: Solve for x
    x = 10,933,700,962.51/119,823.18
  6. Step 6: Final answer
    x = 91,248.63

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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.