Home / 250,434.56-345,602.76-137,257.04

Finding the Fourth Proportional to 250,434.56, 345,602.76 and 137,257.04

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Solution

The fourth proportional to 250,434.56, 345,602.76 and 137,257.04 is: 189,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,434.56 : 345,602.76 = 137,257.04 : x
  2. Step 2: Convert to fraction form
    250,434.56/345,602.76 = 137,257.04/x
  3. Step 3: Cross multiply
    250,434.56x = 345,602.76 × 137,257.04
  4. Step 4: Simplify right side
    250,434.56x = 47,436,411,853.43
  5. Step 5: Solve for x
    x = 47,436,411,853.43/250,434.56
  6. Step 6: Final answer
    x = 189,416.40

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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.