Home / 242,887.96-363,645.04-128,775.84

Finding the Fourth Proportional to 242,887.96, 363,645.04 and 128,775.84

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Solution

The fourth proportional to 242,887.96, 363,645.04 and 128,775.84 is: 192,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,887.96 : 363,645.04 = 128,775.84 : x
  2. Step 2: Convert to fraction form
    242,887.96/363,645.04 = 128,775.84/x
  3. Step 3: Cross multiply
    242,887.96x = 363,645.04 × 128,775.84
  4. Step 4: Simplify right side
    242,887.96x = 46,828,695,487.83
  5. Step 5: Solve for x
    x = 46,828,695,487.83/242,887.96
  6. Step 6: Final answer
    x = 192,799.58

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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.