Home / 191,721.15-264,577.04-105,683.48

Finding the Fourth Proportional to 191,721.15, 264,577.04 and 105,683.48

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Solution

The fourth proportional to 191,721.15, 264,577.04 and 105,683.48 is: 145,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,721.15 : 264,577.04 = 105,683.48 : x
  2. Step 2: Convert to fraction form
    191,721.15/264,577.04 = 105,683.48/x
  3. Step 3: Cross multiply
    191,721.15x = 264,577.04 × 105,683.48
  4. Step 4: Simplify right side
    191,721.15x = 27,961,422,315.30
  5. Step 5: Solve for x
    x = 27,961,422,315.30/191,721.15
  6. Step 6: Final answer
    x = 145,844.23

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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.