Home / 128,272.31-192,436.85-44,030.58

Finding the Fourth Proportional to 128,272.31, 192,436.85 and 44,030.58

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Solution

The fourth proportional to 128,272.31, 192,436.85 and 44,030.58 is: 66,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,272.31 : 192,436.85 = 44,030.58 : x
  2. Step 2: Convert to fraction form
    128,272.31/192,436.85 = 44,030.58/x
  3. Step 3: Cross multiply
    128,272.31x = 192,436.85 × 44,030.58
  4. Step 4: Simplify right side
    128,272.31x = 8,473,106,228.95
  5. Step 5: Solve for x
    x = 8,473,106,228.95/128,272.31
  6. Step 6: Final answer
    x = 66,055.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.