Home / 106,000.61-146,289.81-72,084.33

Finding the Fourth Proportional to 106,000.61, 146,289.81 and 72,084.33

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Solution

The fourth proportional to 106,000.61, 146,289.81 and 72,084.33 is: 99,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,000.61 : 146,289.81 = 72,084.33 : x
  2. Step 2: Convert to fraction form
    106,000.61/146,289.81 = 72,084.33/x
  3. Step 3: Cross multiply
    106,000.61x = 146,289.81 × 72,084.33
  4. Step 4: Simplify right side
    106,000.61x = 10,545,202,939.68
  5. Step 5: Solve for x
    x = 10,545,202,939.68/106,000.61
  6. Step 6: Final answer
    x = 99,482.48

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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.