Home / 168,678.14-253,058.72-118,855.50

Finding the Fourth Proportional to 168,678.14, 253,058.72 and 118,855.50

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Solution

The fourth proportional to 168,678.14, 253,058.72 and 118,855.50 is: 178,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,678.14 : 253,058.72 = 118,855.50 : x
  2. Step 2: Convert to fraction form
    168,678.14/253,058.72 = 118,855.50/x
  3. Step 3: Cross multiply
    168,678.14x = 253,058.72 × 118,855.50
  4. Step 4: Simplify right side
    168,678.14x = 30,077,420,694.96
  5. Step 5: Solve for x
    x = 30,077,420,694.96/168,678.14
  6. Step 6: Final answer
    x = 178,312.50

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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.