Home / 180,925.27-249,706.76-100,378.73

Finding the Fourth Proportional to 180,925.27, 249,706.76 and 100,378.73

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Solution

The fourth proportional to 180,925.27, 249,706.76 and 100,378.73 is: 138,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,925.27 : 249,706.76 = 100,378.73 : x
  2. Step 2: Convert to fraction form
    180,925.27/249,706.76 = 100,378.73/x
  3. Step 3: Cross multiply
    180,925.27x = 249,706.76 × 100,378.73
  4. Step 4: Simplify right side
    180,925.27x = 25,065,247,441.21
  5. Step 5: Solve for x
    x = 25,065,247,441.21/180,925.27
  6. Step 6: Final answer
    x = 138,539.23

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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.