Home / 158,591.07-218,868.32-89,695.08

Finding the Fourth Proportional to 158,591.07, 218,868.32 and 89,695.08

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Solution

The fourth proportional to 158,591.07, 218,868.32 and 89,695.08 is: 123,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,591.07 : 218,868.32 = 89,695.08 : x
  2. Step 2: Convert to fraction form
    158,591.07/218,868.32 = 89,695.08/x
  3. Step 3: Cross multiply
    158,591.07x = 218,868.32 × 89,695.08
  4. Step 4: Simplify right side
    158,591.07x = 19,631,411,696.10
  5. Step 5: Solve for x
    x = 19,631,411,696.10/158,591.07
  6. Step 6: Final answer
    x = 123,786.36

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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.