Home / 157,120.32-235,717.38-51,939.27

Finding the Fourth Proportional to 157,120.32, 235,717.38 and 51,939.27

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Solution

The fourth proportional to 157,120.32, 235,717.38 and 51,939.27 is: 77,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,120.32 : 235,717.38 = 51,939.27 : x
  2. Step 2: Convert to fraction form
    157,120.32/235,717.38 = 51,939.27/x
  3. Step 3: Cross multiply
    157,120.32x = 235,717.38 × 51,939.27
  4. Step 4: Simplify right side
    157,120.32x = 12,242,988,643.51
  5. Step 5: Solve for x
    x = 12,242,988,643.51/157,120.32
  6. Step 6: Final answer
    x = 77,921.10

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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.