Home / 165,001.20-247,501.80-155,324.40

Finding the Fourth Proportional to 165,001.20, 247,501.80 and 155,324.40

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Solution

The fourth proportional to 165,001.20, 247,501.80 and 155,324.40 is: 232,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,001.20 : 247,501.80 = 155,324.40 : x
  2. Step 2: Convert to fraction form
    165,001.20/247,501.80 = 155,324.40/x
  3. Step 3: Cross multiply
    165,001.20x = 247,501.80 × 155,324.40
  4. Step 4: Simplify right side
    165,001.20x = 38,443,068,583.92
  5. Step 5: Solve for x
    x = 38,443,068,583.92/165,001.20
  6. Step 6: Final answer
    x = 232,986.60

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1.5x scale

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.