Home / 100,699.28-151,044.93-34,139.53

Finding the Fourth Proportional to 100,699.28, 151,044.93 and 34,139.53

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Solution

The fourth proportional to 100,699.28, 151,044.93 and 34,139.53 is: 51,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,699.28 : 151,044.93 = 34,139.53 : x
  2. Step 2: Convert to fraction form
    100,699.28/151,044.93 = 34,139.53/x
  3. Step 3: Cross multiply
    100,699.28x = 151,044.93 × 34,139.53
  4. Step 4: Simplify right side
    100,699.28x = 5,156,602,162.24
  5. Step 5: Solve for x
    x = 5,156,602,162.24/100,699.28
  6. Step 6: Final answer
    x = 51,207.94

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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.