Home / 161,384.24-222,707.08-89,762.72

Finding the Fourth Proportional to 161,384.24, 222,707.08 and 89,762.72

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Solution

The fourth proportional to 161,384.24, 222,707.08 and 89,762.72 is: 123,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,384.24 : 222,707.08 = 89,762.72 : x
  2. Step 2: Convert to fraction form
    161,384.24/222,707.08 = 89,762.72/x
  3. Step 3: Cross multiply
    161,384.24x = 222,707.08 × 89,762.72
  4. Step 4: Simplify right side
    161,384.24x = 19,990,793,264.06
  5. Step 5: Solve for x
    x = 19,990,793,264.06/161,384.24
  6. Step 6: Final answer
    x = 123,870.79

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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.