Home / 94,885.14-142,352.36-28,325.28

Finding the Fourth Proportional to 94,885.14, 142,352.36 and 28,325.28

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Solution

The fourth proportional to 94,885.14, 142,352.36 and 28,325.28 is: 42,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,885.14 : 142,352.36 = 28,325.28 : x
  2. Step 2: Convert to fraction form
    94,885.14/142,352.36 = 28,325.28/x
  3. Step 3: Cross multiply
    94,885.14x = 142,352.36 × 28,325.28
  4. Step 4: Simplify right side
    94,885.14x = 4,032,170,455.66
  5. Step 5: Solve for x
    x = 4,032,170,455.66/94,885.14
  6. Step 6: Final answer
    x = 42,495.28

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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.