Home / 104,820.30-157,295.25-42,491.34

Finding the Fourth Proportional to 104,820.30, 157,295.25 and 42,491.34

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Solution

The fourth proportional to 104,820.30, 157,295.25 and 42,491.34 is: 63,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820.30 : 157,295.25 = 42,491.34 : x
  2. Step 2: Convert to fraction form
    104,820.30/157,295.25 = 42,491.34/x
  3. Step 3: Cross multiply
    104,820.30x = 157,295.25 × 42,491.34
  4. Step 4: Simplify right side
    104,820.30x = 6,683,685,948.14
  5. Step 5: Solve for x
    x = 6,683,685,948.14/104,820.30
  6. Step 6: Final answer
    x = 63,763.28

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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.