Home / 117,266.40-175,899.60-47,109.60

Finding the Fourth Proportional to 117,266.40, 175,899.60 and 47,109.60

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Solution

The fourth proportional to 117,266.40, 175,899.60 and 47,109.60 is: 70,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,266.40 : 175,899.60 = 47,109.60 : x
  2. Step 2: Convert to fraction form
    117,266.40/175,899.60 = 47,109.60/x
  3. Step 3: Cross multiply
    117,266.40x = 175,899.60 × 47,109.60
  4. Step 4: Simplify right side
    117,266.40x = 8,286,559,796.16
  5. Step 5: Solve for x
    x = 8,286,559,796.16/117,266.40
  6. Step 6: Final answer
    x = 70,664.40

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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.