Home / 248,639.40-372,959.10-71,152.20

Finding the Fourth Proportional to 248,639.40, 372,959.10 and 71,152.20

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Solution

The fourth proportional to 248,639.40, 372,959.10 and 71,152.20 is: 106,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,639.40 : 372,959.10 = 71,152.20 : x
  2. Step 2: Convert to fraction form
    248,639.40/372,959.10 = 71,152.20/x
  3. Step 3: Cross multiply
    248,639.40x = 372,959.10 × 71,152.20
  4. Step 4: Simplify right side
    248,639.40x = 26,536,860,475.02
  5. Step 5: Solve for x
    x = 26,536,860,475.02/248,639.40
  6. Step 6: Final answer
    x = 106,728.30

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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.