Home / 180,918.76-249,683.28-100,372.24

Finding the Fourth Proportional to 180,918.76, 249,683.28 and 100,372.24

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Solution

The fourth proportional to 180,918.76, 249,683.28 and 100,372.24 is: 138,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,918.76 : 249,683.28 = 100,372.24 : x
  2. Step 2: Convert to fraction form
    180,918.76/249,683.28 = 100,372.24/x
  3. Step 3: Cross multiply
    180,918.76x = 249,683.28 × 100,372.24
  4. Step 4: Simplify right side
    180,918.76x = 25,061,270,104.15
  5. Step 5: Solve for x
    x = 25,061,270,104.15/180,918.76
  6. Step 6: Final answer
    x = 138,522.23

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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.