Home / 103,101.12-142,272.81-60,651.45

Finding the Fourth Proportional to 103,101.12, 142,272.81 and 60,651.45

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Solution

The fourth proportional to 103,101.12, 142,272.81 and 60,651.45 is: 83,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,101.12 : 142,272.81 = 60,651.45 : x
  2. Step 2: Convert to fraction form
    103,101.12/142,272.81 = 60,651.45/x
  3. Step 3: Cross multiply
    103,101.12x = 142,272.81 × 60,651.45
  4. Step 4: Simplify right side
    103,101.12x = 8,629,052,222.07
  5. Step 5: Solve for x
    x = 8,629,052,222.07/103,101.12
  6. Step 6: Final answer
    x = 83,695.04

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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.