Home / 140,359.02-193,695.93-76,696.81

Finding the Fourth Proportional to 140,359.02, 193,695.93 and 76,696.81

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Solution

The fourth proportional to 140,359.02, 193,695.93 and 76,696.81 is: 105,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,359.02 : 193,695.93 = 76,696.81 : x
  2. Step 2: Convert to fraction form
    140,359.02/193,695.93 = 76,696.81/x
  3. Step 3: Cross multiply
    140,359.02x = 193,695.93 × 76,696.81
  4. Step 4: Simplify right side
    140,359.02x = 14,855,859,940.98
  5. Step 5: Solve for x
    x = 14,855,859,940.98/140,359.02
  6. Step 6: Final answer
    x = 105,841.87

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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.