Home / 118,325.84-163,290.45-64,611.23

Finding the Fourth Proportional to 118,325.84, 163,290.45 and 64,611.23

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Solution

The fourth proportional to 118,325.84, 163,290.45 and 64,611.23 is: 89,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325.84 : 163,290.45 = 64,611.23 : x
  2. Step 2: Convert to fraction form
    118,325.84/163,290.45 = 64,611.23/x
  3. Step 3: Cross multiply
    118,325.84x = 163,290.45 × 64,611.23
  4. Step 4: Simplify right side
    118,325.84x = 10,550,396,821.75
  5. Step 5: Solve for x
    x = 10,550,396,821.75/118,325.84
  6. Step 6: Final answer
    x = 89,163.93

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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.