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Finding the Fourth Proportional to 157,661.68, 236,287.16 and 64,058

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Solution

The fourth proportional to 157,661.68, 236,287.16 and 64,058 is: 96,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,661.68 : 236,287.16 = 64,058 : x
  2. Step 2: Convert to fraction form
    157,661.68/236,287.16 = 64,058/x
  3. Step 3: Cross multiply
    157,661.68x = 236,287.16 × 64,058
  4. Step 4: Simplify right side
    157,661.68x = 15,136,082,895.28
  5. Step 5: Solve for x
    x = 15,136,082,895.28/157,661.68
  6. Step 6: Final answer
    x = 96,003.56

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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.