Home / 140,089.39-193,315.48-79,674.73

Finding the Fourth Proportional to 140,089.39, 193,315.48 and 79,674.73

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Solution

The fourth proportional to 140,089.39, 193,315.48 and 79,674.73 is: 109,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,089.39 : 193,315.48 = 79,674.73 : x
  2. Step 2: Convert to fraction form
    140,089.39/193,315.48 = 79,674.73/x
  3. Step 3: Cross multiply
    140,089.39x = 193,315.48 × 79,674.73
  4. Step 4: Simplify right side
    140,089.39x = 15,402,358,673.82
  5. Step 5: Solve for x
    x = 15,402,358,673.82/140,089.39
  6. Step 6: Final answer
    x = 109,946.65

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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.