Home / 101,985.16-152,954.64-38,782.76

Finding the Fourth Proportional to 101,985.16, 152,954.64 and 38,782.76

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Solution

The fourth proportional to 101,985.16, 152,954.64 and 38,782.76 is: 58,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,985.16 : 152,954.64 = 38,782.76 : x
  2. Step 2: Convert to fraction form
    101,985.16/152,954.64 = 38,782.76/x
  3. Step 3: Cross multiply
    101,985.16x = 152,954.64 × 38,782.76
  4. Step 4: Simplify right side
    101,985.16x = 5,932,003,094.01
  5. Step 5: Solve for x
    x = 5,932,003,094.01/101,985.16
  6. Step 6: Final answer
    x = 58,165.36

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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.