Home / 103,639.02-143,020.26-60,628.02

Finding the Fourth Proportional to 103,639.02, 143,020.26 and 60,628.02

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Solution

The fourth proportional to 103,639.02, 143,020.26 and 60,628.02 is: 83,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.02 : 143,020.26 = 60,628.02 : x
  2. Step 2: Convert to fraction form
    103,639.02/143,020.26 = 60,628.02/x
  3. Step 3: Cross multiply
    103,639.02x = 143,020.26 × 60,628.02
  4. Step 4: Simplify right side
    103,639.02x = 8,671,035,183.69
  5. Step 5: Solve for x
    x = 8,671,035,183.69/103,639.02
  6. Step 6: Final answer
    x = 83,665.74

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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.