Home / 106,316.64-159,408-56,365.20

Finding the Fourth Proportional to 106,316.64, 159,408 and 56,365.20

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Solution

The fourth proportional to 106,316.64, 159,408 and 56,365.20 is: 84,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,316.64 : 159,408 = 56,365.20 : x
  2. Step 2: Convert to fraction form
    106,316.64/159,408 = 56,365.20/x
  3. Step 3: Cross multiply
    106,316.64x = 159,408 × 56,365.20
  4. Step 4: Simplify right side
    106,316.64x = 8,985,063,801.60
  5. Step 5: Solve for x
    x = 8,985,063,801.60/106,316.64
  6. Step 6: Final answer
    x = 84,512.30

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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.