Home / 115,441.50-159,335.79-67,710.23

Finding the Fourth Proportional to 115,441.50, 159,335.79 and 67,710.23

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Solution

The fourth proportional to 115,441.50, 159,335.79 and 67,710.23 is: 93,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,441.50 : 159,335.79 = 67,710.23 : x
  2. Step 2: Convert to fraction form
    115,441.50/159,335.79 = 67,710.23/x
  3. Step 3: Cross multiply
    115,441.50x = 159,335.79 × 67,710.23
  4. Step 4: Simplify right side
    115,441.50x = 10,788,662,191.45
  5. Step 5: Solve for x
    x = 10,788,662,191.45/115,441.50
  6. Step 6: Final answer
    x = 93,455.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.