Home / 191,006.92-286,634.70-72,679.24

Finding the Fourth Proportional to 191,006.92, 286,634.70 and 72,679.24

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Solution

The fourth proportional to 191,006.92, 286,634.70 and 72,679.24 is: 109,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,006.92 : 286,634.70 = 72,679.24 : x
  2. Step 2: Convert to fraction form
    191,006.92/286,634.70 = 72,679.24/x
  3. Step 3: Cross multiply
    191,006.92x = 286,634.70 × 72,679.24
  4. Step 4: Simplify right side
    191,006.92x = 20,832,392,153.63
  5. Step 5: Solve for x
    x = 20,832,392,153.63/191,006.92
  6. Step 6: Final answer
    x = 109,066.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.