Home / 117,686.40-162,408.24-63,971.52

Finding the Fourth Proportional to 117,686.40, 162,408.24 and 63,971.52

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Solution

The fourth proportional to 117,686.40, 162,408.24 and 63,971.52 is: 88,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,686.40 : 162,408.24 = 63,971.52 : x
  2. Step 2: Convert to fraction form
    117,686.40/162,408.24 = 63,971.52/x
  3. Step 3: Cross multiply
    117,686.40x = 162,408.24 × 63,971.52
  4. Step 4: Simplify right side
    117,686.40x = 10,389,501,973.32
  5. Step 5: Solve for x
    x = 10,389,501,973.32/117,686.40
  6. Step 6: Final answer
    x = 88,281.25

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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.