Home / 146,376.10-201,999.18-79,308.10

Finding the Fourth Proportional to 146,376.10, 201,999.18 and 79,308.10

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Solution

The fourth proportional to 146,376.10, 201,999.18 and 79,308.10 is: 109,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,376.10 : 201,999.18 = 79,308.10 : x
  2. Step 2: Convert to fraction form
    146,376.10/201,999.18 = 79,308.10/x
  3. Step 3: Cross multiply
    146,376.10x = 201,999.18 × 79,308.10
  4. Step 4: Simplify right side
    146,376.10x = 16,020,171,167.36
  5. Step 5: Solve for x
    x = 16,020,171,167.36/146,376.10
  6. Step 6: Final answer
    x = 109,445.27

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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.