Home / 165,000.80-247,598.40-109,002.80

Finding the Fourth Proportional to 165,000.80, 247,598.40 and 109,002.80

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Solution

The fourth proportional to 165,000.80, 247,598.40 and 109,002.80 is: 163,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,000.80 : 247,598.40 = 109,002.80 : x
  2. Step 2: Convert to fraction form
    165,000.80/247,598.40 = 109,002.80/x
  3. Step 3: Cross multiply
    165,000.80x = 247,598.40 × 109,002.80
  4. Step 4: Simplify right side
    165,000.80x = 26,988,918,875.52
  5. Step 5: Solve for x
    x = 26,988,918,875.52/165,000.80
  6. Step 6: Final answer
    x = 163,568.41

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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.