Home / 180,481.28-249,066.36-99,916.25

Finding the Fourth Proportional to 180,481.28, 249,066.36 and 99,916.25

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Solution

The fourth proportional to 180,481.28, 249,066.36 and 99,916.25 is: 137,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,481.28 : 249,066.36 = 99,916.25 : x
  2. Step 2: Convert to fraction form
    180,481.28/249,066.36 = 99,916.25/x
  3. Step 3: Cross multiply
    180,481.28x = 249,066.36 × 99,916.25
  4. Step 4: Simplify right side
    180,481.28x = 24,885,775,447.02
  5. Step 5: Solve for x
    x = 24,885,775,447.02/180,481.28
  6. Step 6: Final answer
    x = 137,885.64

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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.