Home / 101,197.04-139,651.25-55,877.85

Finding the Fourth Proportional to 101,197.04, 139,651.25 and 55,877.85

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Solution

The fourth proportional to 101,197.04, 139,651.25 and 55,877.85 is: 77,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,197.04 : 139,651.25 = 55,877.85 : x
  2. Step 2: Convert to fraction form
    101,197.04/139,651.25 = 55,877.85/x
  3. Step 3: Cross multiply
    101,197.04x = 139,651.25 × 55,877.85
  4. Step 4: Simplify right side
    101,197.04x = 7,803,411,320.42
  5. Step 5: Solve for x
    x = 7,803,411,320.42/101,197.04
  6. Step 6: Final answer
    x = 77,111.07

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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.