Home / 250,031.50-345,040.83-135,307.65

Finding the Fourth Proportional to 250,031.50, 345,040.83 and 135,307.65

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Solution

The fourth proportional to 250,031.50, 345,040.83 and 135,307.65 is: 186,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,031.50 : 345,040.83 = 135,307.65 : x
  2. Step 2: Convert to fraction form
    250,031.50/345,040.83 = 135,307.65/x
  3. Step 3: Cross multiply
    250,031.50x = 345,040.83 × 135,307.65
  4. Step 4: Simplify right side
    250,031.50x = 46,686,663,861.35
  5. Step 5: Solve for x
    x = 46,686,663,861.35/250,031.50
  6. Step 6: Final answer
    x = 186,723.13

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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.