Home / 146,220.50-201,784.30-79,152.50

Finding the Fourth Proportional to 146,220.50, 201,784.30 and 79,152.50

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Solution

The fourth proportional to 146,220.50, 201,784.30 and 79,152.50 is: 109,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,220.50 : 201,784.30 = 79,152.50 : x
  2. Step 2: Convert to fraction form
    146,220.50/201,784.30 = 79,152.50/x
  3. Step 3: Cross multiply
    146,220.50x = 201,784.30 × 79,152.50
  4. Step 4: Simplify right side
    146,220.50x = 15,971,731,805.75
  5. Step 5: Solve for x
    x = 15,971,731,805.75/146,220.50
  6. Step 6: Final answer
    x = 109,230.46

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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.