Home / 250,307.82-345,373.02-142,912.80

Finding the Fourth Proportional to 250,307.82, 345,373.02 and 142,912.80

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Solution

The fourth proportional to 250,307.82, 345,373.02 and 142,912.80 is: 197,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,307.82 : 345,373.02 = 142,912.80 : x
  2. Step 2: Convert to fraction form
    250,307.82/345,373.02 = 142,912.80/x
  3. Step 3: Cross multiply
    250,307.82x = 345,373.02 × 142,912.80
  4. Step 4: Simplify right side
    250,307.82x = 49,358,225,332.66
  5. Step 5: Solve for x
    x = 49,358,225,332.66/250,307.82
  6. Step 6: Final answer
    x = 197,190.11

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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.