Home / 157,365.12-236,117.46-82,467.47

Finding the Fourth Proportional to 157,365.12, 236,117.46 and 82,467.47

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Solution

The fourth proportional to 157,365.12, 236,117.46 and 82,467.47 is: 123,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,365.12 : 236,117.46 = 82,467.47 : x
  2. Step 2: Convert to fraction form
    157,365.12/236,117.46 = 82,467.47/x
  3. Step 3: Cross multiply
    157,365.12x = 236,117.46 × 82,467.47
  4. Step 4: Simplify right side
    157,365.12x = 19,472,009,549.03
  5. Step 5: Solve for x
    x = 19,472,009,549.03/157,365.12
  6. Step 6: Final answer
    x = 123,737.77

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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.