Home / 180,915.45-249,499.94-112,938.73

Finding the Fourth Proportional to 180,915.45, 249,499.94 and 112,938.73

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Solution

The fourth proportional to 180,915.45, 249,499.94 and 112,938.73 is: 155,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,915.45 : 249,499.94 = 112,938.73 : x
  2. Step 2: Convert to fraction form
    180,915.45/249,499.94 = 112,938.73/x
  3. Step 3: Cross multiply
    180,915.45x = 249,499.94 × 112,938.73
  4. Step 4: Simplify right side
    180,915.45x = 28,178,206,358.68
  5. Step 5: Solve for x
    x = 28,178,206,358.68/180,915.45
  6. Step 6: Final answer
    x = 155,753.45

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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.