Home / 109,628.08-151,293.56-61,864

Finding the Fourth Proportional to 109,628.08, 151,293.56 and 61,864

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Solution

The fourth proportional to 109,628.08, 151,293.56 and 61,864 is: 85,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,628.08 : 151,293.56 = 61,864 : x
  2. Step 2: Convert to fraction form
    109,628.08/151,293.56 = 61,864/x
  3. Step 3: Cross multiply
    109,628.08x = 151,293.56 × 61,864
  4. Step 4: Simplify right side
    109,628.08x = 9,359,624,795.84
  5. Step 5: Solve for x
    x = 9,359,624,795.84/109,628.08
  6. Step 6: Final answer
    x = 85,376.16

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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.