Home / 150,612.15-208,061.04-120,357.84

Finding the Fourth Proportional to 150,612.15, 208,061.04 and 120,357.84

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Solution

The fourth proportional to 150,612.15, 208,061.04 and 120,357.84 is: 166,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,612.15 : 208,061.04 = 120,357.84 : x
  2. Step 2: Convert to fraction form
    150,612.15/208,061.04 = 120,357.84/x
  3. Step 3: Cross multiply
    150,612.15x = 208,061.04 × 120,357.84
  4. Step 4: Simplify right side
    150,612.15x = 25,041,777,362.55
  5. Step 5: Solve for x
    x = 25,041,777,362.55/150,612.15
  6. Step 6: Final answer
    x = 166,266.65

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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.