Home / 180,734.28-249,409.72-100,160.14

Finding the Fourth Proportional to 180,734.28, 249,409.72 and 100,160.14

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Solution

The fourth proportional to 180,734.28, 249,409.72 and 100,160.14 is: 138,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,734.28 : 249,409.72 = 100,160.14 : x
  2. Step 2: Convert to fraction form
    180,734.28/249,409.72 = 100,160.14/x
  3. Step 3: Cross multiply
    180,734.28x = 249,409.72 × 100,160.14
  4. Step 4: Simplify right side
    180,734.28x = 24,980,912,472.56
  5. Step 5: Solve for x
    x = 24,980,912,472.56/180,734.28
  6. Step 6: Final answer
    x = 138,219.01

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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.