Home / 134,587.10-185,727.74-74,163.36

Finding the Fourth Proportional to 134,587.10, 185,727.74 and 74,163.36

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Solution

The fourth proportional to 134,587.10, 185,727.74 and 74,163.36 is: 102,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,587.10 : 185,727.74 = 74,163.36 : x
  2. Step 2: Convert to fraction form
    134,587.10/185,727.74 = 74,163.36/x
  3. Step 3: Cross multiply
    134,587.10x = 185,727.74 × 74,163.36
  4. Step 4: Simplify right side
    134,587.10x = 13,774,193,243.61
  5. Step 5: Solve for x
    x = 13,774,193,243.61/134,587.10
  6. Step 6: Final answer
    x = 102,344.08

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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.