Home / 180,647.20-249,308.45-100,099.99

Finding the Fourth Proportional to 180,647.20, 249,308.45 and 100,099.99

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Solution

The fourth proportional to 180,647.20, 249,308.45 and 100,099.99 is: 138,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,647.20 : 249,308.45 = 100,099.99 : x
  2. Step 2: Convert to fraction form
    180,647.20/249,308.45 = 100,099.99/x
  3. Step 3: Cross multiply
    180,647.20x = 249,308.45 × 100,099.99
  4. Step 4: Simplify right side
    180,647.20x = 24,955,773,351.92
  5. Step 5: Solve for x
    x = 24,955,773,351.92/180,647.20
  6. Step 6: Final answer
    x = 138,146.47

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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.