Home / 163,934.20-245,901.30-155,380.60

Finding the Fourth Proportional to 163,934.20, 245,901.30 and 155,380.60

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Solution

The fourth proportional to 163,934.20, 245,901.30 and 155,380.60 is: 233,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,934.20 : 245,901.30 = 155,380.60 : x
  2. Step 2: Convert to fraction form
    163,934.20/245,901.30 = 155,380.60/x
  3. Step 3: Cross multiply
    163,934.20x = 245,901.30 × 155,380.60
  4. Step 4: Simplify right side
    163,934.20x = 38,208,291,534.78
  5. Step 5: Solve for x
    x = 38,208,291,534.78/163,934.20
  6. Step 6: Final answer
    x = 233,070.90

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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.