Home / 101,214.75-151,718.45-42,084.75

Finding the Fourth Proportional to 101,214.75, 151,718.45 and 42,084.75

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Solution

The fourth proportional to 101,214.75, 151,718.45 and 42,084.75 is: 63,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,214.75 : 151,718.45 = 42,084.75 : x
  2. Step 2: Convert to fraction form
    101,214.75/151,718.45 = 42,084.75/x
  3. Step 3: Cross multiply
    101,214.75x = 151,718.45 × 42,084.75
  4. Step 4: Simplify right side
    101,214.75x = 6,385,032,828.21
  5. Step 5: Solve for x
    x = 6,385,032,828.21/101,214.75
  6. Step 6: Final answer
    x = 63,084.02

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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.