Home / 175,511.70-263,267.55-145,987.20

Finding the Fourth Proportional to 175,511.70, 263,267.55 and 145,987.20

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Solution

The fourth proportional to 175,511.70, 263,267.55 and 145,987.20 is: 218,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,511.70 : 263,267.55 = 145,987.20 : x
  2. Step 2: Convert to fraction form
    175,511.70/263,267.55 = 145,987.20/x
  3. Step 3: Cross multiply
    175,511.70x = 263,267.55 × 145,987.20
  4. Step 4: Simplify right side
    175,511.70x = 38,433,692,475.36
  5. Step 5: Solve for x
    x = 38,433,692,475.36/175,511.70
  6. Step 6: Final answer
    x = 218,980.80

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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.