Home / 134,984.27-186,280.08-74,554.72

Finding the Fourth Proportional to 134,984.27, 186,280.08 and 74,554.72

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Solution

The fourth proportional to 134,984.27, 186,280.08 and 74,554.72 is: 102,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,984.27 : 186,280.08 = 74,554.72 : x
  2. Step 2: Convert to fraction form
    134,984.27/186,280.08 = 74,554.72/x
  3. Step 3: Cross multiply
    134,984.27x = 186,280.08 × 74,554.72
  4. Step 4: Simplify right side
    134,984.27x = 13,888,059,205.98
  5. Step 5: Solve for x
    x = 13,888,059,205.98/134,984.27
  6. Step 6: Final answer
    x = 102,886.50

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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.