Home / 191,315.57-264,017.89-105,284.46

Finding the Fourth Proportional to 191,315.57, 264,017.89 and 105,284.46

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Solution

The fourth proportional to 191,315.57, 264,017.89 and 105,284.46 is: 145,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,315.57 : 264,017.89 = 105,284.46 : x
  2. Step 2: Convert to fraction form
    191,315.57/264,017.89 = 105,284.46/x
  3. Step 3: Cross multiply
    191,315.57x = 264,017.89 × 105,284.46
  4. Step 4: Simplify right side
    191,315.57x = 27,796,980,097.37
  5. Step 5: Solve for x
    x = 27,796,980,097.37/191,315.57
  6. Step 6: Final answer
    x = 145,293.87

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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.