Home / 191,529.51-287,297.10-73,207.14

Finding the Fourth Proportional to 191,529.51, 287,297.10 and 73,207.14

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Solution

The fourth proportional to 191,529.51, 287,297.10 and 73,207.14 is: 109,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,529.51 : 287,297.10 = 73,207.14 : x
  2. Step 2: Convert to fraction form
    191,529.51/287,297.10 = 73,207.14/x
  3. Step 3: Cross multiply
    191,529.51x = 287,297.10 × 73,207.14
  4. Step 4: Simplify right side
    191,529.51x = 21,032,199,021.29
  5. Step 5: Solve for x
    x = 21,032,199,021.29/191,529.51
  6. Step 6: Final answer
    x = 109,811.79

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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.