Home / 75,434.02-113,151.02-19,274.24

Finding the Fourth Proportional to 75,434.02, 113,151.02 and 19,274.24

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Solution

The fourth proportional to 75,434.02, 113,151.02 and 19,274.24 is: 28,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,434.02 : 113,151.02 = 19,274.24 : x
  2. Step 2: Convert to fraction form
    75,434.02/113,151.02 = 19,274.24/x
  3. Step 3: Cross multiply
    75,434.02x = 113,151.02 × 19,274.24
  4. Step 4: Simplify right side
    75,434.02x = 2,180,900,102.23
  5. Step 5: Solve for x
    x = 2,180,900,102.23/75,434.02
  6. Step 6: Final answer
    x = 28,911.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.