Home / 180,555.14-249,166.08-99,982.72

Finding the Fourth Proportional to 180,555.14, 249,166.08 and 99,982.72

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Solution

The fourth proportional to 180,555.14, 249,166.08 and 99,982.72 is: 137,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,555.14 : 249,166.08 = 99,982.72 : x
  2. Step 2: Convert to fraction form
    180,555.14/249,166.08 = 99,982.72/x
  3. Step 3: Cross multiply
    180,555.14x = 249,166.08 × 99,982.72
  4. Step 4: Simplify right side
    180,555.14x = 24,912,301,320.04
  5. Step 5: Solve for x
    x = 24,912,301,320.04/180,555.14
  6. Step 6: Final answer
    x = 137,976.14

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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.