Home / 242,024.30-363,036.45-84,200.30

Finding the Fourth Proportional to 242,024.30, 363,036.45 and 84,200.30

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Solution

The fourth proportional to 242,024.30, 363,036.45 and 84,200.30 is: 126,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,024.30 : 363,036.45 = 84,200.30 : x
  2. Step 2: Convert to fraction form
    242,024.30/363,036.45 = 84,200.30/x
  3. Step 3: Cross multiply
    242,024.30x = 363,036.45 × 84,200.30
  4. Step 4: Simplify right side
    242,024.30x = 30,567,778,000.94
  5. Step 5: Solve for x
    x = 30,567,778,000.94/242,024.30
  6. Step 6: Final answer
    x = 126,300.45

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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.