Home / 104,847.23-157,115.31-77,009.15

Finding the Fourth Proportional to 104,847.23, 157,115.31 and 77,009.15

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Solution

The fourth proportional to 104,847.23, 157,115.31 and 77,009.15 is: 115,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,847.23 : 157,115.31 = 77,009.15 : x
  2. Step 2: Convert to fraction form
    104,847.23/157,115.31 = 77,009.15/x
  3. Step 3: Cross multiply
    104,847.23x = 157,115.31 × 77,009.15
  4. Step 4: Simplify right side
    104,847.23x = 12,099,316,475.09
  5. Step 5: Solve for x
    x = 12,099,316,475.09/104,847.23
  6. Step 6: Final answer
    x = 115,399.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.