Home / 161,740.80-242,528.36-86,923.94

Finding the Fourth Proportional to 161,740.80, 242,528.36 and 86,923.94

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Solution

The fourth proportional to 161,740.80, 242,528.36 and 86,923.94 is: 130,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,740.80 : 242,528.36 = 86,923.94 : x
  2. Step 2: Convert to fraction form
    161,740.80/242,528.36 = 86,923.94/x
  3. Step 3: Cross multiply
    161,740.80x = 242,528.36 × 86,923.94
  4. Step 4: Simplify right side
    161,740.80x = 21,081,518,965.68
  5. Step 5: Solve for x
    x = 21,081,518,965.68/161,740.80
  6. Step 6: Final answer
    x = 130,341.38

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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.