Home / 143,405.02-215,112-48,633.80

Finding the Fourth Proportional to 143,405.02, 215,112 and 48,633.80

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Solution

The fourth proportional to 143,405.02, 215,112 and 48,633.80 is: 72,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,405.02 : 215,112 = 48,633.80 : x
  2. Step 2: Convert to fraction form
    143,405.02/215,112 = 48,633.80/x
  3. Step 3: Cross multiply
    143,405.02x = 215,112 × 48,633.80
  4. Step 4: Simplify right side
    143,405.02x = 10,461,713,985.60
  5. Step 5: Solve for x
    x = 10,461,713,985.60/143,405.02
  6. Step 6: Final answer
    x = 72,952.22

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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.