Home / 128,272.18-192,436.67-44,030.46

Finding the Fourth Proportional to 128,272.18, 192,436.67 and 44,030.46

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Solution

The fourth proportional to 128,272.18, 192,436.67 and 44,030.46 is: 66,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,272.18 : 192,436.67 = 44,030.46 : x
  2. Step 2: Convert to fraction form
    128,272.18/192,436.67 = 44,030.46/x
  3. Step 3: Cross multiply
    128,272.18x = 192,436.67 × 44,030.46
  4. Step 4: Simplify right side
    128,272.18x = 8,473,075,100.97
  5. Step 5: Solve for x
    x = 8,473,075,100.97/128,272.18
  6. Step 6: Final answer
    x = 66,055.44

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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.