Home / 207,984.13-287,010.55-130,501.54

Finding the Fourth Proportional to 207,984.13, 287,010.55 and 130,501.54

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Solution

The fourth proportional to 207,984.13, 287,010.55 and 130,501.54 is: 180,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,984.13 : 287,010.55 = 130,501.54 : x
  2. Step 2: Convert to fraction form
    207,984.13/287,010.55 = 130,501.54/x
  3. Step 3: Cross multiply
    207,984.13x = 287,010.55 × 130,501.54
  4. Step 4: Simplify right side
    207,984.13x = 37,455,318,366.73
  5. Step 5: Solve for x
    x = 37,455,318,366.73/207,984.13
  6. Step 6: Final answer
    x = 180,087.39

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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.