Home / 180,555.20-249,144.72-111,633.92

Finding the Fourth Proportional to 180,555.20, 249,144.72 and 111,633.92

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Solution

The fourth proportional to 180,555.20, 249,144.72 and 111,633.92 is: 154,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,555.20 : 249,144.72 = 111,633.92 : x
  2. Step 2: Convert to fraction form
    180,555.20/249,144.72 = 111,633.92/x
  3. Step 3: Cross multiply
    180,555.20x = 249,144.72 × 111,633.92
  4. Step 4: Simplify right side
    180,555.20x = 27,813,001,740.90
  5. Step 5: Solve for x
    x = 27,813,001,740.90/180,555.20
  6. Step 6: Final answer
    x = 154,041.54

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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.