Home / 134,222.85-185,228.73-72,969.17

Finding the Fourth Proportional to 134,222.85, 185,228.73 and 72,969.17

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Solution

The fourth proportional to 134,222.85, 185,228.73 and 72,969.17 is: 100,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,222.85 : 185,228.73 = 72,969.17 : x
  2. Step 2: Convert to fraction form
    134,222.85/185,228.73 = 72,969.17/x
  3. Step 3: Cross multiply
    134,222.85x = 185,228.73 × 72,969.17
  4. Step 4: Simplify right side
    134,222.85x = 13,515,985,762.11
  5. Step 5: Solve for x
    x = 13,515,985,762.11/134,222.85
  6. Step 6: Final answer
    x = 100,698.10

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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.