Home / 97,581.28-134,622.32-77,357

Finding the Fourth Proportional to 97,581.28, 134,622.32 and 77,357

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Solution

The fourth proportional to 97,581.28, 134,622.32 and 77,357 is: 106,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,581.28 : 134,622.32 = 77,357 : x
  2. Step 2: Convert to fraction form
    97,581.28/134,622.32 = 77,357/x
  3. Step 3: Cross multiply
    97,581.28x = 134,622.32 × 77,357
  4. Step 4: Simplify right side
    97,581.28x = 10,413,978,808.24
  5. Step 5: Solve for x
    x = 10,413,978,808.24/97,581.28
  6. Step 6: Final answer
    x = 106,721.07

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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.