Home / 109,396.05-151,003.86-64,088.49

Finding the Fourth Proportional to 109,396.05, 151,003.86 and 64,088.49

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Solution

The fourth proportional to 109,396.05, 151,003.86 and 64,088.49 is: 88,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,396.05 : 151,003.86 = 64,088.49 : x
  2. Step 2: Convert to fraction form
    109,396.05/151,003.86 = 64,088.49/x
  3. Step 3: Cross multiply
    109,396.05x = 151,003.86 × 64,088.49
  4. Step 4: Simplify right side
    109,396.05x = 9,677,609,371.57
  5. Step 5: Solve for x
    x = 9,677,609,371.57/109,396.05
  6. Step 6: Final answer
    x = 88,463.97

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1.5x scale

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.