Home / 242,841.25-335,120.93-142,239.25

Finding the Fourth Proportional to 242,841.25, 335,120.93 and 142,239.25

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Solution

The fourth proportional to 242,841.25, 335,120.93 and 142,239.25 is: 196,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,841.25 : 335,120.93 = 142,239.25 : x
  2. Step 2: Convert to fraction form
    242,841.25/335,120.93 = 142,239.25/x
  3. Step 3: Cross multiply
    242,841.25x = 335,120.93 × 142,239.25
  4. Step 4: Simplify right side
    242,841.25x = 47,667,349,742.50
  5. Step 5: Solve for x
    x = 47,667,349,742.50/242,841.25
  6. Step 6: Final answer
    x = 196,290.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.