Home / 260,194.47-390,025.84-147,636.90

Finding the Fourth Proportional to 260,194.47, 390,025.84 and 147,636.90

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Solution

The fourth proportional to 260,194.47, 390,025.84 and 147,636.90 is: 221,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,194.47 : 390,025.84 = 147,636.90 : x
  2. Step 2: Convert to fraction form
    260,194.47/390,025.84 = 147,636.90/x
  3. Step 3: Cross multiply
    260,194.47x = 390,025.84 × 147,636.90
  4. Step 4: Simplify right side
    260,194.47x = 57,582,205,937.50
  5. Step 5: Solve for x
    x = 57,582,205,937.50/260,194.47
  6. Step 6: Final answer
    x = 221,304.50

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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.