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Finding the Fourth Proportional to 191,277.15, 264,013.16 and 134,713.95

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Solution

The fourth proportional to 191,277.15, 264,013.16 and 134,713.95 is: 185,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,277.15 : 264,013.16 = 134,713.95 : x
  2. Step 2: Convert to fraction form
    191,277.15/264,013.16 = 134,713.95/x
  3. Step 3: Cross multiply
    191,277.15x = 264,013.16 × 134,713.95
  4. Step 4: Simplify right side
    191,277.15x = 35,566,254,962.01
  5. Step 5: Solve for x
    x = 35,566,254,962.01/191,277.15
  6. Step 6: Final answer
    x = 185,940.95

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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.