Home / 137,012.13-205,393.64-52,718.53

Finding the Fourth Proportional to 137,012.13, 205,393.64 and 52,718.53

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Solution

The fourth proportional to 137,012.13, 205,393.64 and 52,718.53 is: 79,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,012.13 : 205,393.64 = 52,718.53 : x
  2. Step 2: Convert to fraction form
    137,012.13/205,393.64 = 52,718.53/x
  3. Step 3: Cross multiply
    137,012.13x = 205,393.64 × 52,718.53
  4. Step 4: Simplify right side
    137,012.13x = 10,828,051,329.49
  5. Step 5: Solve for x
    x = 10,828,051,329.49/137,012.13
  6. Step 6: Final answer
    x = 79,029.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.