Home / 180,155.66-248,612.10-99,581.40

Finding the Fourth Proportional to 180,155.66, 248,612.10 and 99,581.40

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Solution

The fourth proportional to 180,155.66, 248,612.10 and 99,581.40 is: 137,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,155.66 : 248,612.10 = 99,581.40 : x
  2. Step 2: Convert to fraction form
    180,155.66/248,612.10 = 99,581.40/x
  3. Step 3: Cross multiply
    180,155.66x = 248,612.10 × 99,581.40
  4. Step 4: Simplify right side
    180,155.66x = 24,757,140,974.94
  5. Step 5: Solve for x
    x = 24,757,140,974.94/180,155.66
  6. Step 6: Final answer
    x = 137,420.83

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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.