Home / 165,081.90-247,622.85-155,240.40

Finding the Fourth Proportional to 165,081.90, 247,622.85 and 155,240.40

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Solution

The fourth proportional to 165,081.90, 247,622.85 and 155,240.40 is: 232,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,081.90 : 247,622.85 = 155,240.40 : x
  2. Step 2: Convert to fraction form
    165,081.90/247,622.85 = 155,240.40/x
  3. Step 3: Cross multiply
    165,081.90x = 247,622.85 × 155,240.40
  4. Step 4: Simplify right side
    165,081.90x = 38,441,070,283.14
  5. Step 5: Solve for x
    x = 38,441,070,283.14/165,081.90
  6. Step 6: Final answer
    x = 232,860.60

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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.