Home / 143,985.32-216,043.62-73,913.88

Finding the Fourth Proportional to 143,985.32, 216,043.62 and 73,913.88

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Solution

The fourth proportional to 143,985.32, 216,043.62 and 73,913.88 is: 110,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,985.32 : 216,043.62 = 73,913.88 : x
  2. Step 2: Convert to fraction form
    143,985.32/216,043.62 = 73,913.88/x
  3. Step 3: Cross multiply
    143,985.32x = 216,043.62 × 73,913.88
  4. Step 4: Simplify right side
    143,985.32x = 15,968,622,203.45
  5. Step 5: Solve for x
    x = 15,968,622,203.45/143,985.32
  6. Step 6: Final answer
    x = 110,904.52

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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.