Home / 105,265.68-157,899.20-42,091.11

Finding the Fourth Proportional to 105,265.68, 157,899.20 and 42,091.11

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Solution

The fourth proportional to 105,265.68, 157,899.20 and 42,091.11 is: 63,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,265.68 : 157,899.20 = 42,091.11 : x
  2. Step 2: Convert to fraction form
    105,265.68/157,899.20 = 42,091.11/x
  3. Step 3: Cross multiply
    105,265.68x = 157,899.20 × 42,091.11
  4. Step 4: Simplify right side
    105,265.68x = 6,646,151,837.90
  5. Step 5: Solve for x
    x = 6,646,151,837.90/105,265.68
  6. Step 6: Final answer
    x = 63,136.93

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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.