Home / 101,080.41-139,545.64-60,803.16

Finding the Fourth Proportional to 101,080.41, 139,545.64 and 60,803.16

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Solution

The fourth proportional to 101,080.41, 139,545.64 and 60,803.16 is: 83,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,080.41 : 139,545.64 = 60,803.16 : x
  2. Step 2: Convert to fraction form
    101,080.41/139,545.64 = 60,803.16/x
  3. Step 3: Cross multiply
    101,080.41x = 139,545.64 × 60,803.16
  4. Step 4: Simplify right side
    101,080.41x = 8,484,815,086.91
  5. Step 5: Solve for x
    x = 8,484,815,086.91/101,080.41
  6. Step 6: Final answer
    x = 83,941.24

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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.