Home / 103,932.83-143,427.67-56,186.18

Finding the Fourth Proportional to 103,932.83, 143,427.67 and 56,186.18

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Solution

The fourth proportional to 103,932.83, 143,427.67 and 56,186.18 is: 77,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,932.83 : 143,427.67 = 56,186.18 : x
  2. Step 2: Convert to fraction form
    103,932.83/143,427.67 = 56,186.18/x
  3. Step 3: Cross multiply
    103,932.83x = 143,427.67 × 56,186.18
  4. Step 4: Simplify right side
    103,932.83x = 8,058,652,883.60
  5. Step 5: Solve for x
    x = 8,058,652,883.60/103,932.83
  6. Step 6: Final answer
    x = 77,537.13

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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.