Home / 147,087.93-220,478.30-72,104.25

Finding the Fourth Proportional to 147,087.93, 220,478.30 and 72,104.25

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Solution

The fourth proportional to 147,087.93, 220,478.30 and 72,104.25 is: 108,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,087.93 : 220,478.30 = 72,104.25 : x
  2. Step 2: Convert to fraction form
    147,087.93/220,478.30 = 72,104.25/x
  3. Step 3: Cross multiply
    147,087.93x = 220,478.30 × 72,104.25
  4. Step 4: Simplify right side
    147,087.93x = 15,897,422,102.25
  5. Step 5: Solve for x
    x = 15,897,422,102.25/147,087.93
  6. Step 6: Final answer
    x = 108,081.08

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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.