Home / 220,152.20-303,864.48-124,715.16

Finding the Fourth Proportional to 220,152.20, 303,864.48 and 124,715.16

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Solution

The fourth proportional to 220,152.20, 303,864.48 and 124,715.16 is: 172,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,152.20 : 303,864.48 = 124,715.16 : x
  2. Step 2: Convert to fraction form
    220,152.20/303,864.48 = 124,715.16/x
  3. Step 3: Cross multiply
    220,152.20x = 303,864.48 × 124,715.16
  4. Step 4: Simplify right side
    220,152.20x = 37,896,507,241.52
  5. Step 5: Solve for x
    x = 37,896,507,241.52/220,152.20
  6. Step 6: Final answer
    x = 172,137.77

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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.