Home / 134,740.72-185,895.24-86,369.32

Finding the Fourth Proportional to 134,740.72, 185,895.24 and 86,369.32

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Solution

The fourth proportional to 134,740.72, 185,895.24 and 86,369.32 is: 119,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,740.72 : 185,895.24 = 86,369.32 : x
  2. Step 2: Convert to fraction form
    134,740.72/185,895.24 = 86,369.32/x
  3. Step 3: Cross multiply
    134,740.72x = 185,895.24 × 86,369.32
  4. Step 4: Simplify right side
    134,740.72x = 16,055,645,378.52
  5. Step 5: Solve for x
    x = 16,055,645,378.52/134,740.72
  6. Step 6: Final answer
    x = 119,159.56

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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.