Home / 113,420.62-156,521.46-63,119.62

Finding the Fourth Proportional to 113,420.62, 156,521.46 and 63,119.62

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Solution

The fourth proportional to 113,420.62, 156,521.46 and 63,119.62 is: 87,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,420.62 : 156,521.46 = 63,119.62 : x
  2. Step 2: Convert to fraction form
    113,420.62/156,521.46 = 63,119.62/x
  3. Step 3: Cross multiply
    113,420.62x = 156,521.46 × 63,119.62
  4. Step 4: Simplify right side
    113,420.62x = 9,879,575,077.05
  5. Step 5: Solve for x
    x = 9,879,575,077.05/113,420.62
  6. Step 6: Final answer
    x = 87,105.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.