Home / 180,881.49-249,617.13-100,316.46

Finding the Fourth Proportional to 180,881.49, 249,617.13 and 100,316.46

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Solution

The fourth proportional to 180,881.49, 249,617.13 and 100,316.46 is: 138,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,881.49 : 249,617.13 = 100,316.46 : x
  2. Step 2: Convert to fraction form
    180,881.49/249,617.13 = 100,316.46/x
  3. Step 3: Cross multiply
    180,881.49x = 249,617.13 × 100,316.46
  4. Step 4: Simplify right side
    180,881.49x = 25,040,706,836.96
  5. Step 5: Solve for x
    x = 25,040,706,836.96/180,881.49
  6. Step 6: Final answer
    x = 138,437.09

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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.