Home / 143,033.09-197,423.93-89,285.74

Finding the Fourth Proportional to 143,033.09, 197,423.93 and 89,285.74

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Solution

The fourth proportional to 143,033.09, 197,423.93 and 89,285.74 is: 123,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,033.09 : 197,423.93 = 89,285.74 : x
  2. Step 2: Convert to fraction form
    143,033.09/197,423.93 = 89,285.74/x
  3. Step 3: Cross multiply
    143,033.09x = 197,423.93 × 89,285.74
  4. Step 4: Simplify right side
    143,033.09x = 17,627,141,413.41
  5. Step 5: Solve for x
    x = 17,627,141,413.41/143,033.09
  6. Step 6: Final answer
    x = 123,238.21

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1.5x scale

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.