Home / 191,107.40-263,731.37-105,070.02

Finding the Fourth Proportional to 191,107.40, 263,731.37 and 105,070.02

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Solution

The fourth proportional to 191,107.40, 263,731.37 and 105,070.02 is: 144,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,107.40 : 263,731.37 = 105,070.02 : x
  2. Step 2: Convert to fraction form
    191,107.40/263,731.37 = 105,070.02/x
  3. Step 3: Cross multiply
    191,107.40x = 263,731.37 × 105,070.02
  4. Step 4: Simplify right side
    191,107.40x = 27,710,260,320.53
  5. Step 5: Solve for x
    x = 27,710,260,320.53/191,107.40
  6. Step 6: Final answer
    x = 144,998.36

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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.