Home / 191,300.91-263,994.02-105,265.14

Finding the Fourth Proportional to 191,300.91, 263,994.02 and 105,265.14

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Solution

The fourth proportional to 191,300.91, 263,994.02 and 105,265.14 is: 145,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,300.91 : 263,994.02 = 105,265.14 : x
  2. Step 2: Convert to fraction form
    191,300.91/263,994.02 = 105,265.14/x
  3. Step 3: Cross multiply
    191,300.91x = 263,994.02 × 105,265.14
  4. Step 4: Simplify right side
    191,300.91x = 27,789,366,948.14
  5. Step 5: Solve for x
    x = 27,789,366,948.14/191,300.91
  6. Step 6: Final answer
    x = 145,265.21

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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.