Home / 113,558.40-170,337.60-105,004.80

Finding the Fourth Proportional to 113,558.40, 170,337.60 and 105,004.80

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Solution

The fourth proportional to 113,558.40, 170,337.60 and 105,004.80 is: 157,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,558.40 : 170,337.60 = 105,004.80 : x
  2. Step 2: Convert to fraction form
    113,558.40/170,337.60 = 105,004.80/x
  3. Step 3: Cross multiply
    113,558.40x = 170,337.60 × 105,004.80
  4. Step 4: Simplify right side
    113,558.40x = 17,886,265,620.48
  5. Step 5: Solve for x
    x = 17,886,265,620.48/113,558.40
  6. Step 6: Final answer
    x = 157,507.20

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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.