Home / 250,123.68-375,224.76-81,605.16

Finding the Fourth Proportional to 250,123.68, 375,224.76 and 81,605.16

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Solution

The fourth proportional to 250,123.68, 375,224.76 and 81,605.16 is: 122,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,123.68 : 375,224.76 = 81,605.16 : x
  2. Step 2: Convert to fraction form
    250,123.68/375,224.76 = 81,605.16/x
  3. Step 3: Cross multiply
    250,123.68x = 375,224.76 × 81,605.16
  4. Step 4: Simplify right side
    250,123.68x = 30,620,276,575.76
  5. Step 5: Solve for x
    x = 30,620,276,575.76/250,123.68
  6. Step 6: Final answer
    x = 122,420.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.