Home / 180,531.44-249,113.26-99,938.78

Finding the Fourth Proportional to 180,531.44, 249,113.26 and 99,938.78

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Solution

The fourth proportional to 180,531.44, 249,113.26 and 99,938.78 is: 137,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,531.44 : 249,113.26 = 99,938.78 : x
  2. Step 2: Convert to fraction form
    180,531.44/249,113.26 = 99,938.78/x
  3. Step 3: Cross multiply
    180,531.44x = 249,113.26 × 99,938.78
  4. Step 4: Simplify right side
    180,531.44x = 24,896,074,165.58
  5. Step 5: Solve for x
    x = 24,896,074,165.58/180,531.44
  6. Step 6: Final answer
    x = 137,904.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.