Home / 104,731.20-157,092.48-42,400.80

Finding the Fourth Proportional to 104,731.20, 157,092.48 and 42,400.80

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Solution

The fourth proportional to 104,731.20, 157,092.48 and 42,400.80 is: 63,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,731.20 : 157,092.48 = 42,400.80 : x
  2. Step 2: Convert to fraction form
    104,731.20/157,092.48 = 42,400.80/x
  3. Step 3: Cross multiply
    104,731.20x = 157,092.48 × 42,400.80
  4. Step 4: Simplify right side
    104,731.20x = 6,660,846,825.98
  5. Step 5: Solve for x
    x = 6,660,846,825.98/104,731.20
  6. Step 6: Final answer
    x = 63,599.45

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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.