Home / 143,931.06-215,903.07-44,083.98

Finding the Fourth Proportional to 143,931.06, 215,903.07 and 44,083.98

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Solution

The fourth proportional to 143,931.06, 215,903.07 and 44,083.98 is: 66,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,931.06 : 215,903.07 = 44,083.98 : x
  2. Step 2: Convert to fraction form
    143,931.06/215,903.07 = 44,083.98/x
  3. Step 3: Cross multiply
    143,931.06x = 215,903.07 × 44,083.98
  4. Step 4: Simplify right side
    143,931.06x = 9,517,866,619.82
  5. Step 5: Solve for x
    x = 9,517,866,619.82/143,931.06
  6. Step 6: Final answer
    x = 66,127.95

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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.