Home / 180,546.89-249,151.63-99,972.68

Finding the Fourth Proportional to 180,546.89, 249,151.63 and 99,972.68

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Solution

The fourth proportional to 180,546.89, 249,151.63 and 99,972.68 is: 137,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,546.89 : 249,151.63 = 99,972.68 : x
  2. Step 2: Convert to fraction form
    180,546.89/249,151.63 = 99,972.68/x
  3. Step 3: Cross multiply
    180,546.89x = 249,151.63 × 99,972.68
  4. Step 4: Simplify right side
    180,546.89x = 24,908,354,431.85
  5. Step 5: Solve for x
    x = 24,908,354,431.85/180,546.89
  6. Step 6: Final answer
    x = 137,960.59

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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.