Home / 180,155.12-248,609.68-99,580.57

Finding the Fourth Proportional to 180,155.12, 248,609.68 and 99,580.57

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Solution

The fourth proportional to 180,155.12, 248,609.68 and 99,580.57 is: 137,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,155.12 : 248,609.68 = 99,580.57 : x
  2. Step 2: Convert to fraction form
    180,155.12/248,609.68 = 99,580.57/x
  3. Step 3: Cross multiply
    180,155.12x = 248,609.68 × 99,580.57
  4. Step 4: Simplify right side
    180,155.12x = 24,756,692,398.87
  5. Step 5: Solve for x
    x = 24,756,692,398.87/180,155.12
  6. Step 6: Final answer
    x = 137,418.76

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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.