Home / 134,860.95-186,107.19-74,431.59

Finding the Fourth Proportional to 134,860.95, 186,107.19 and 74,431.59

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Solution

The fourth proportional to 134,860.95, 186,107.19 and 74,431.59 is: 102,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,860.95 : 186,107.19 = 74,431.59 : x
  2. Step 2: Convert to fraction form
    134,860.95/186,107.19 = 74,431.59/x
  3. Step 3: Cross multiply
    134,860.95x = 186,107.19 × 74,431.59
  4. Step 4: Simplify right side
    134,860.95x = 13,852,253,329.37
  5. Step 5: Solve for x
    x = 13,852,253,329.37/134,860.95
  6. Step 6: Final answer
    x = 102,715.08

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1.5x scale

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.