Home / 175,710.40-263,565.60-87,136.90

Finding the Fourth Proportional to 175,710.40, 263,565.60 and 87,136.90

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Solution

The fourth proportional to 175,710.40, 263,565.60 and 87,136.90 is: 130,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,710.40 : 263,565.60 = 87,136.90 : x
  2. Step 2: Convert to fraction form
    175,710.40/263,565.60 = 87,136.90/x
  3. Step 3: Cross multiply
    175,710.40x = 263,565.60 × 87,136.90
  4. Step 4: Simplify right side
    175,710.40x = 22,966,289,330.64
  5. Step 5: Solve for x
    x = 22,966,289,330.64/175,710.40
  6. Step 6: Final answer
    x = 130,705.35

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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.