Home / 191,569.23-287,419.49-73,274.40

Finding the Fourth Proportional to 191,569.23, 287,419.49 and 73,274.40

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Solution

The fourth proportional to 191,569.23, 287,419.49 and 73,274.40 is: 109,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,569.23 : 287,419.49 = 73,274.40 : x
  2. Step 2: Convert to fraction form
    191,569.23/287,419.49 = 73,274.40/x
  3. Step 3: Cross multiply
    191,569.23x = 287,419.49 × 73,274.40
  4. Step 4: Simplify right side
    191,569.23x = 21,060,490,311.68
  5. Step 5: Solve for x
    x = 21,060,490,311.68/191,569.23
  6. Step 6: Final answer
    x = 109,936.71

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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.