Home / 140,332.08-193,658.04-76,669.86

Finding the Fourth Proportional to 140,332.08, 193,658.04 and 76,669.86

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Solution

The fourth proportional to 140,332.08, 193,658.04 and 76,669.86 is: 105,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,332.08 : 193,658.04 = 76,669.86 : x
  2. Step 2: Convert to fraction form
    140,332.08/193,658.04 = 76,669.86/x
  3. Step 3: Cross multiply
    140,332.08x = 193,658.04 × 76,669.86
  4. Step 4: Simplify right side
    140,332.08x = 14,847,734,814.67
  5. Step 5: Solve for x
    x = 14,847,734,814.67/140,332.08
  6. Step 6: Final answer
    x = 105,804.28

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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.