Home / 192,098.76-288,010.44-90,840.72

Finding the Fourth Proportional to 192,098.76, 288,010.44 and 90,840.72

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Solution

The fourth proportional to 192,098.76, 288,010.44 and 90,840.72 is: 136,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,098.76 : 288,010.44 = 90,840.72 : x
  2. Step 2: Convert to fraction form
    192,098.76/288,010.44 = 90,840.72/x
  3. Step 3: Cross multiply
    192,098.76x = 288,010.44 × 90,840.72
  4. Step 4: Simplify right side
    192,098.76x = 26,163,075,737.12
  5. Step 5: Solve for x
    x = 26,163,075,737.12/192,098.76
  6. Step 6: Final answer
    x = 136,195.96

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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.