Home / 180,811.35-249,534.42-100,264.14

Finding the Fourth Proportional to 180,811.35, 249,534.42 and 100,264.14

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Solution

The fourth proportional to 180,811.35, 249,534.42 and 100,264.14 is: 138,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,811.35 : 249,534.42 = 100,264.14 : x
  2. Step 2: Convert to fraction form
    180,811.35/249,534.42 = 100,264.14/x
  3. Step 3: Cross multiply
    180,811.35x = 249,534.42 × 100,264.14
  4. Step 4: Simplify right side
    180,811.35x = 25,019,354,021.70
  5. Step 5: Solve for x
    x = 25,019,354,021.70/180,811.35
  6. Step 6: Final answer
    x = 138,372.70

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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.