Home / 157,521.36-236,210.96-45,175.79

Finding the Fourth Proportional to 157,521.36, 236,210.96 and 45,175.79

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Solution

The fourth proportional to 157,521.36, 236,210.96 and 45,175.79 is: 67,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,521.36 : 236,210.96 = 45,175.79 : x
  2. Step 2: Convert to fraction form
    157,521.36/236,210.96 = 45,175.79/x
  3. Step 3: Cross multiply
    157,521.36x = 236,210.96 × 45,175.79
  4. Step 4: Simplify right side
    157,521.36x = 10,671,015,656.54
  5. Step 5: Solve for x
    x = 10,671,015,656.54/157,521.36
  6. Step 6: Final answer
    x = 67,743.29

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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.