Home / 75,233.28-112,848.90-18,307.44

Finding the Fourth Proportional to 75,233.28, 112,848.90 and 18,307.44

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Solution

The fourth proportional to 75,233.28, 112,848.90 and 18,307.44 is: 27,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,233.28 : 112,848.90 = 18,307.44 : x
  2. Step 2: Convert to fraction form
    75,233.28/112,848.90 = 18,307.44/x
  3. Step 3: Cross multiply
    75,233.28x = 112,848.90 × 18,307.44
  4. Step 4: Simplify right side
    75,233.28x = 2,065,974,465.82
  5. Step 5: Solve for x
    x = 2,065,974,465.82/75,233.28
  6. Step 6: Final answer
    x = 27,460.91

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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.