Home / 103,812.93-143,261.79-56,066.28

Finding the Fourth Proportional to 103,812.93, 143,261.79 and 56,066.28

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Solution

The fourth proportional to 103,812.93, 143,261.79 and 56,066.28 is: 77,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,812.93 : 143,261.79 = 56,066.28 : x
  2. Step 2: Convert to fraction form
    103,812.93/143,261.79 = 56,066.28/x
  3. Step 3: Cross multiply
    103,812.93x = 143,261.79 × 56,066.28
  4. Step 4: Simplify right side
    103,812.93x = 8,032,155,631.44
  5. Step 5: Solve for x
    x = 8,032,155,631.44/103,812.93
  6. Step 6: Final answer
    x = 77,371.44

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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.