Home / 191,367.80-264,089.94-105,336.72

Finding the Fourth Proportional to 191,367.80, 264,089.94 and 105,336.72

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Solution

The fourth proportional to 191,367.80, 264,089.94 and 105,336.72 is: 145,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,367.80 : 264,089.94 = 105,336.72 : x
  2. Step 2: Convert to fraction form
    191,367.80/264,089.94 = 105,336.72/x
  3. Step 3: Cross multiply
    191,367.80x = 264,089.94 × 105,336.72
  4. Step 4: Simplify right side
    191,367.80x = 27,818,368,064.60
  5. Step 5: Solve for x
    x = 27,818,368,064.60/191,367.80
  6. Step 6: Final answer
    x = 145,365.98

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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.