Home / 242,536.69-334,710.72-135,106.70

Finding the Fourth Proportional to 242,536.69, 334,710.72 and 135,106.70

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Solution

The fourth proportional to 242,536.69, 334,710.72 and 135,106.70 is: 186,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,536.69 : 334,710.72 = 135,106.70 : x
  2. Step 2: Convert to fraction form
    242,536.69/334,710.72 = 135,106.70/x
  3. Step 3: Cross multiply
    242,536.69x = 334,710.72 × 135,106.70
  4. Step 4: Simplify right side
    242,536.69x = 45,221,660,833.82
  5. Step 5: Solve for x
    x = 45,221,660,833.82/242,536.69
  6. Step 6: Final answer
    x = 186,452.87

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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.