Home / 249,728.67-374,599.08-81,249.48

Finding the Fourth Proportional to 249,728.67, 374,599.08 and 81,249.48

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Solution

The fourth proportional to 249,728.67, 374,599.08 and 81,249.48 is: 121,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,728.67 : 374,599.08 = 81,249.48 : x
  2. Step 2: Convert to fraction form
    249,728.67/374,599.08 = 81,249.48/x
  3. Step 3: Cross multiply
    249,728.67x = 374,599.08 × 81,249.48
  4. Step 4: Simplify right side
    249,728.67x = 30,435,980,458.48
  5. Step 5: Solve for x
    x = 30,435,980,458.48/249,728.67
  6. Step 6: Final answer
    x = 121,876.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.