Home / 109,578.40-151,222.48-64,250.08

Finding the Fourth Proportional to 109,578.40, 151,222.48 and 64,250.08

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Solution

The fourth proportional to 109,578.40, 151,222.48 and 64,250.08 is: 88,667.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,578.40 : 151,222.48 = 64,250.08 : x
  2. Step 2: Convert to fraction form
    109,578.40/151,222.48 = 64,250.08/x
  3. Step 3: Cross multiply
    109,578.40x = 151,222.48 × 64,250.08
  4. Step 4: Simplify right side
    109,578.40x = 9,716,056,437.80
  5. Step 5: Solve for x
    x = 9,716,056,437.80/109,578.40
  6. Step 6: Final answer
    x = 88,667.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.