Home / 101,287.02-139,773.15-55,964.28

Finding the Fourth Proportional to 101,287.02, 139,773.15 and 55,964.28

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Solution

The fourth proportional to 101,287.02, 139,773.15 and 55,964.28 is: 77,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,287.02 : 139,773.15 = 55,964.28 : x
  2. Step 2: Convert to fraction form
    101,287.02/139,773.15 = 55,964.28/x
  3. Step 3: Cross multiply
    101,287.02x = 139,773.15 × 55,964.28
  4. Step 4: Simplify right side
    101,287.02x = 7,822,303,703.08
  5. Step 5: Solve for x
    x = 7,822,303,703.08/101,287.02
  6. Step 6: Final answer
    x = 77,229.08

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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.