Home / 136,468.24-188,340.02-76,048.72

Finding the Fourth Proportional to 136,468.24, 188,340.02 and 76,048.72

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Solution

The fourth proportional to 136,468.24, 188,340.02 and 76,048.72 is: 104,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,468.24 : 188,340.02 = 76,048.72 : x
  2. Step 2: Convert to fraction form
    136,468.24/188,340.02 = 76,048.72/x
  3. Step 3: Cross multiply
    136,468.24x = 188,340.02 × 76,048.72
  4. Step 4: Simplify right side
    136,468.24x = 14,323,017,445.77
  5. Step 5: Solve for x
    x = 14,323,017,445.77/136,468.24
  6. Step 6: Final answer
    x = 104,954.95

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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.