Home / 180,723.67-249,400.07-100,152.50

Finding the Fourth Proportional to 180,723.67, 249,400.07 and 100,152.50

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Solution

The fourth proportional to 180,723.67, 249,400.07 and 100,152.50 is: 138,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,723.67 : 249,400.07 = 100,152.50 : x
  2. Step 2: Convert to fraction form
    180,723.67/249,400.07 = 100,152.50/x
  3. Step 3: Cross multiply
    180,723.67x = 249,400.07 × 100,152.50
  4. Step 4: Simplify right side
    180,723.67x = 24,978,040,510.68
  5. Step 5: Solve for x
    x = 24,978,040,510.68/180,723.67
  6. Step 6: Final answer
    x = 138,211.23

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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.