Home / 113,478.40-170,217.60-39,606.40

Finding the Fourth Proportional to 113,478.40, 170,217.60 and 39,606.40

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Solution

The fourth proportional to 113,478.40, 170,217.60 and 39,606.40 is: 59,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,478.40 : 170,217.60 = 39,606.40 : x
  2. Step 2: Convert to fraction form
    113,478.40/170,217.60 = 39,606.40/x
  3. Step 3: Cross multiply
    113,478.40x = 170,217.60 × 39,606.40
  4. Step 4: Simplify right side
    113,478.40x = 6,741,706,352.64
  5. Step 5: Solve for x
    x = 6,741,706,352.64/113,478.40
  6. Step 6: Final answer
    x = 59,409.60

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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.