Home / 221,734.55-305,975.89-124,934.29

Finding the Fourth Proportional to 221,734.55, 305,975.89 and 124,934.29

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Solution

The fourth proportional to 221,734.55, 305,975.89 and 124,934.29 is: 172,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,734.55 : 305,975.89 = 124,934.29 : x
  2. Step 2: Convert to fraction form
    221,734.55/305,975.89 = 124,934.29/x
  3. Step 3: Cross multiply
    221,734.55x = 305,975.89 × 124,934.29
  4. Step 4: Simplify right side
    221,734.55x = 38,226,880,574.27
  5. Step 5: Solve for x
    x = 38,226,880,574.27/221,734.55
  6. Step 6: Final answer
    x = 172,399.30

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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.