Home / 250,281.95-345,397.71-137,104.70

Finding the Fourth Proportional to 250,281.95, 345,397.71 and 137,104.70

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Solution

The fourth proportional to 250,281.95, 345,397.71 and 137,104.70 is: 189,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,281.95 : 345,397.71 = 137,104.70 : x
  2. Step 2: Convert to fraction form
    250,281.95/345,397.71 = 137,104.70/x
  3. Step 3: Cross multiply
    250,281.95x = 345,397.71 × 137,104.70
  4. Step 4: Simplify right side
    250,281.95x = 47,355,649,410.24
  5. Step 5: Solve for x
    x = 47,355,649,410.24/250,281.95
  6. Step 6: Final answer
    x = 189,209.21

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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.