Home / 250,113.67-375,187.29-87,988.33

Finding the Fourth Proportional to 250,113.67, 375,187.29 and 87,988.33

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Solution

The fourth proportional to 250,113.67, 375,187.29 and 87,988.33 is: 131,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,113.67 : 375,187.29 = 87,988.33 : x
  2. Step 2: Convert to fraction form
    250,113.67/375,187.29 = 87,988.33/x
  3. Step 3: Cross multiply
    250,113.67x = 375,187.29 × 87,988.33
  4. Step 4: Simplify right side
    250,113.67x = 33,012,101,607.86
  5. Step 5: Solve for x
    x = 33,012,101,607.86/250,113.67
  6. Step 6: Final answer
    x = 131,988.39

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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.