Home / 134,315.04-185,355.19-73,890.28

Finding the Fourth Proportional to 134,315.04, 185,355.19 and 73,890.28

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Solution

The fourth proportional to 134,315.04, 185,355.19 and 73,890.28 is: 101,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,315.04 : 185,355.19 = 73,890.28 : x
  2. Step 2: Convert to fraction form
    134,315.04/185,355.19 = 73,890.28/x
  3. Step 3: Cross multiply
    134,315.04x = 185,355.19 × 73,890.28
  4. Step 4: Simplify right side
    134,315.04x = 13,695,946,888.55
  5. Step 5: Solve for x
    x = 13,695,946,888.55/134,315.04
  6. Step 6: Final answer
    x = 101,968.83

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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.