Home / 103,089.02-142,260.44-60,650.28

Finding the Fourth Proportional to 103,089.02, 142,260.44 and 60,650.28

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Solution

The fourth proportional to 103,089.02, 142,260.44 and 60,650.28 is: 83,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,089.02 : 142,260.44 = 60,650.28 : x
  2. Step 2: Convert to fraction form
    103,089.02/142,260.44 = 60,650.28/x
  3. Step 3: Cross multiply
    103,089.02x = 142,260.44 × 60,650.28
  4. Step 4: Simplify right side
    103,089.02x = 8,628,135,215.67
  5. Step 5: Solve for x
    x = 8,628,135,215.67/103,089.02
  6. Step 6: Final answer
    x = 83,695.97

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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.