Home / 110,904.08-153,009.24-86,792

Finding the Fourth Proportional to 110,904.08, 153,009.24 and 86,792

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Solution

The fourth proportional to 110,904.08, 153,009.24 and 86,792 is: 119,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,904.08 : 153,009.24 = 86,792 : x
  2. Step 2: Convert to fraction form
    110,904.08/153,009.24 = 86,792/x
  3. Step 3: Cross multiply
    110,904.08x = 153,009.24 × 86,792
  4. Step 4: Simplify right side
    110,904.08x = 13,279,977,958.08
  5. Step 5: Solve for x
    x = 13,279,977,958.08/110,904.08
  6. Step 6: Final answer
    x = 119,742.92

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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.