Home / 101,365.02-139,881.27-56,041.84

Finding the Fourth Proportional to 101,365.02, 139,881.27 and 56,041.84

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Solution

The fourth proportional to 101,365.02, 139,881.27 and 56,041.84 is: 77,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,365.02 : 139,881.27 = 56,041.84 : x
  2. Step 2: Convert to fraction form
    101,365.02/139,881.27 = 56,041.84/x
  3. Step 3: Cross multiply
    101,365.02x = 139,881.27 × 56,041.84
  4. Step 4: Simplify right side
    101,365.02x = 7,839,203,979.73
  5. Step 5: Solve for x
    x = 7,839,203,979.73/101,365.02
  6. Step 6: Final answer
    x = 77,336.38

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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.