Home / 250,304.40-345,428.76-137,127.24

Finding the Fourth Proportional to 250,304.40, 345,428.76 and 137,127.24

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Solution

The fourth proportional to 250,304.40, 345,428.76 and 137,127.24 is: 189,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,304.40 : 345,428.76 = 137,127.24 : x
  2. Step 2: Convert to fraction form
    250,304.40/345,428.76 = 137,127.24/x
  3. Step 3: Cross multiply
    250,304.40x = 345,428.76 × 137,127.24
  4. Step 4: Simplify right side
    250,304.40x = 47,367,692,475.42
  5. Step 5: Solve for x
    x = 47,367,692,475.42/250,304.40
  6. Step 6: Final answer
    x = 189,240.35

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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.