Home / 134,497.95-185,607.73-77,139.49

Finding the Fourth Proportional to 134,497.95, 185,607.73 and 77,139.49

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Solution

The fourth proportional to 134,497.95, 185,607.73 and 77,139.49 is: 106,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,497.95 : 185,607.73 = 77,139.49 : x
  2. Step 2: Convert to fraction form
    134,497.95/185,607.73 = 77,139.49/x
  3. Step 3: Cross multiply
    134,497.95x = 185,607.73 × 77,139.49
  4. Step 4: Simplify right side
    134,497.95x = 14,317,684,318.52
  5. Step 5: Solve for x
    x = 14,317,684,318.52/134,497.95
  6. Step 6: Final answer
    x = 106,452.81

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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.