Home / 113,435.70-170,218.35-43,365.30

Finding the Fourth Proportional to 113,435.70, 170,218.35 and 43,365.30

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Solution

The fourth proportional to 113,435.70, 170,218.35 and 43,365.30 is: 65,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,435.70 : 170,218.35 = 43,365.30 : x
  2. Step 2: Convert to fraction form
    113,435.70/170,218.35 = 43,365.30/x
  3. Step 3: Cross multiply
    113,435.70x = 170,218.35 × 43,365.30
  4. Step 4: Simplify right side
    113,435.70x = 7,381,569,813.26
  5. Step 5: Solve for x
    x = 7,381,569,813.26/113,435.70
  6. Step 6: Final answer
    x = 65,072.72

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1.5x scale

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.