Home / 109,133.64-150,581.73-63,802.71

Finding the Fourth Proportional to 109,133.64, 150,581.73 and 63,802.71

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Solution

The fourth proportional to 109,133.64, 150,581.73 and 63,802.71 is: 88,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,133.64 : 150,581.73 = 63,802.71 : x
  2. Step 2: Convert to fraction form
    109,133.64/150,581.73 = 63,802.71/x
  3. Step 3: Cross multiply
    109,133.64x = 150,581.73 × 63,802.71
  4. Step 4: Simplify right side
    109,133.64x = 9,607,522,450.49
  5. Step 5: Solve for x
    x = 9,607,522,450.49/109,133.64
  6. Step 6: Final answer
    x = 88,034.47

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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.