Home / 134,269.36-185,277.36-77,670.16

Finding the Fourth Proportional to 134,269.36, 185,277.36 and 77,670.16

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Solution

The fourth proportional to 134,269.36, 185,277.36 and 77,670.16 is: 107,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,269.36 : 185,277.36 = 77,670.16 : x
  2. Step 2: Convert to fraction form
    134,269.36/185,277.36 = 77,670.16/x
  3. Step 3: Cross multiply
    134,269.36x = 185,277.36 × 77,670.16
  4. Step 4: Simplify right side
    134,269.36x = 14,390,522,195.58
  5. Step 5: Solve for x
    x = 14,390,522,195.58/134,269.36
  6. Step 6: Final answer
    x = 107,176.52

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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.