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Finding the Fourth Proportional to 101,442.53, 152,064.91 and 42,295.12

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Solution

The fourth proportional to 101,442.53, 152,064.91 and 42,295.12 is: 63,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,442.53 : 152,064.91 = 42,295.12 : x
  2. Step 2: Convert to fraction form
    101,442.53/152,064.91 = 42,295.12/x
  3. Step 3: Cross multiply
    101,442.53x = 152,064.91 × 42,295.12
  4. Step 4: Simplify right side
    101,442.53x = 6,431,603,616.24
  5. Step 5: Solve for x
    x = 6,431,603,616.24/101,442.53
  6. Step 6: Final answer
    x = 63,401.45

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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.