Home / 165,011.70-247,517.55-155,334.90

Finding the Fourth Proportional to 165,011.70, 247,517.55 and 155,334.90

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Solution

The fourth proportional to 165,011.70, 247,517.55 and 155,334.90 is: 233,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,011.70 : 247,517.55 = 155,334.90 : x
  2. Step 2: Convert to fraction form
    165,011.70/247,517.55 = 155,334.90/x
  3. Step 3: Cross multiply
    165,011.70x = 247,517.55 × 155,334.90
  4. Step 4: Simplify right side
    165,011.70x = 38,448,113,877.50
  5. Step 5: Solve for x
    x = 38,448,113,877.50/165,011.70
  6. Step 6: Final answer
    x = 233,002.35

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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.