Home / 103,380.48-154,975.20-40,242.24

Finding the Fourth Proportional to 103,380.48, 154,975.20 and 40,242.24

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Solution

The fourth proportional to 103,380.48, 154,975.20 and 40,242.24 is: 60,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,380.48 : 154,975.20 = 40,242.24 : x
  2. Step 2: Convert to fraction form
    103,380.48/154,975.20 = 40,242.24/x
  3. Step 3: Cross multiply
    103,380.48x = 154,975.20 × 40,242.24
  4. Step 4: Simplify right side
    103,380.48x = 6,236,549,192.45
  5. Step 5: Solve for x
    x = 6,236,549,192.45/103,380.48
  6. Step 6: Final answer
    x = 60,326.18

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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.