Home / 165,646.60-248,502.30-70,876.60

Finding the Fourth Proportional to 165,646.60, 248,502.30 and 70,876.60

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Solution

The fourth proportional to 165,646.60, 248,502.30 and 70,876.60 is: 106,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,646.60 : 248,502.30 = 70,876.60 : x
  2. Step 2: Convert to fraction form
    165,646.60/248,502.30 = 70,876.60/x
  3. Step 3: Cross multiply
    165,646.60x = 248,502.30 × 70,876.60
  4. Step 4: Simplify right side
    165,646.60x = 17,612,998,116.18
  5. Step 5: Solve for x
    x = 17,612,998,116.18/165,646.60
  6. Step 6: Final answer
    x = 106,328.76

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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.