Home / 180,971.40-249,741.90-99,299.10

Finding the Fourth Proportional to 180,971.40, 249,741.90 and 99,299.10

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Solution

The fourth proportional to 180,971.40, 249,741.90 and 99,299.10 is: 137,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,971.40 : 249,741.90 = 99,299.10 : x
  2. Step 2: Convert to fraction form
    180,971.40/249,741.90 = 99,299.10/x
  3. Step 3: Cross multiply
    180,971.40x = 249,741.90 × 99,299.10
  4. Step 4: Simplify right side
    180,971.40x = 24,799,145,902.29
  5. Step 5: Solve for x
    x = 24,799,145,902.29/180,971.40
  6. Step 6: Final answer
    x = 137,033.51

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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.