Home / 134,268.36-185,275.98-77,669.16

Finding the Fourth Proportional to 134,268.36, 185,275.98 and 77,669.16

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Solution

The fourth proportional to 134,268.36, 185,275.98 and 77,669.16 is: 107,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,268.36 : 185,275.98 = 77,669.16 : x
  2. Step 2: Convert to fraction form
    134,268.36/185,275.98 = 77,669.16/x
  3. Step 3: Cross multiply
    134,268.36x = 185,275.98 × 77,669.16
  4. Step 4: Simplify right side
    134,268.36x = 14,390,229,734.78
  5. Step 5: Solve for x
    x = 14,390,229,734.78/134,268.36
  6. Step 6: Final answer
    x = 107,175.14

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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.