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Finding the Fourth Proportional to 180,593.76, 249,220.16 and 100,019.52

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Solution

The fourth proportional to 180,593.76, 249,220.16 and 100,019.52 is: 138,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,593.76 : 249,220.16 = 100,019.52 : x
  2. Step 2: Convert to fraction form
    180,593.76/249,220.16 = 100,019.52/x
  3. Step 3: Cross multiply
    180,593.76x = 249,220.16 × 100,019.52
  4. Step 4: Simplify right side
    180,593.76x = 24,926,880,777.52
  5. Step 5: Solve for x
    x = 24,926,880,777.52/180,593.76
  6. Step 6: Final answer
    x = 138,027.36

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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.