Home / 209,574.23-314,383.73-89,643.59

Finding the Fourth Proportional to 209,574.23, 314,383.73 and 89,643.59

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Solution

The fourth proportional to 209,574.23, 314,383.73 and 89,643.59 is: 134,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,574.23 : 314,383.73 = 89,643.59 : x
  2. Step 2: Convert to fraction form
    209,574.23/314,383.73 = 89,643.59/x
  3. Step 3: Cross multiply
    209,574.23x = 314,383.73 × 89,643.59
  4. Step 4: Simplify right side
    209,574.23x = 28,182,484,174.65
  5. Step 5: Solve for x
    x = 28,182,484,174.65/209,574.23
  6. Step 6: Final answer
    x = 134,474.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.