Home / 142,328.24-213,319.73-104,537.90

Finding the Fourth Proportional to 142,328.24, 213,319.73 and 104,537.90

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Solution

The fourth proportional to 142,328.24, 213,319.73 and 104,537.90 is: 156,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,328.24 : 213,319.73 = 104,537.90 : x
  2. Step 2: Convert to fraction form
    142,328.24/213,319.73 = 104,537.90/x
  3. Step 3: Cross multiply
    142,328.24x = 213,319.73 × 104,537.90
  4. Step 4: Simplify right side
    142,328.24x = 22,299,997,397.41
  5. Step 5: Solve for x
    x = 22,299,997,397.41/142,328.24
  6. Step 6: Final answer
    x = 156,680.06

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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.