Home / 131,969.07-182,074.50-74,602.85

Finding the Fourth Proportional to 131,969.07, 182,074.50 and 74,602.85

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Solution

The fourth proportional to 131,969.07, 182,074.50 and 74,602.85 is: 102,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,969.07 : 182,074.50 = 74,602.85 : x
  2. Step 2: Convert to fraction form
    131,969.07/182,074.50 = 74,602.85/x
  3. Step 3: Cross multiply
    131,969.07x = 182,074.50 × 74,602.85
  4. Step 4: Simplify right side
    131,969.07x = 13,583,275,701.95
  5. Step 5: Solve for x
    x = 13,583,275,701.95/131,969.07
  6. Step 6: Final answer
    x = 102,927.72

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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.