Home / 103,694.02-143,058.64-60,659.80

Finding the Fourth Proportional to 103,694.02, 143,058.64 and 60,659.80

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Solution

The fourth proportional to 103,694.02, 143,058.64 and 60,659.80 is: 83,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,694.02 : 143,058.64 = 60,659.80 : x
  2. Step 2: Convert to fraction form
    103,694.02/143,058.64 = 60,659.80/x
  3. Step 3: Cross multiply
    103,694.02x = 143,058.64 × 60,659.80
  4. Step 4: Simplify right side
    103,694.02x = 8,677,908,490.67
  5. Step 5: Solve for x
    x = 8,677,908,490.67/103,694.02
  6. Step 6: Final answer
    x = 83,687.65

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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.