Home / 113,893.68-157,174.02-62,905

Finding the Fourth Proportional to 113,893.68, 157,174.02 and 62,905

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Solution

The fourth proportional to 113,893.68, 157,174.02 and 62,905 is: 86,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,893.68 : 157,174.02 = 62,905 : x
  2. Step 2: Convert to fraction form
    113,893.68/157,174.02 = 62,905/x
  3. Step 3: Cross multiply
    113,893.68x = 157,174.02 × 62,905
  4. Step 4: Simplify right side
    113,893.68x = 9,887,031,728.10
  5. Step 5: Solve for x
    x = 9,887,031,728.10/113,893.68
  6. Step 6: Final answer
    x = 86,809.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.