Home / 134,845.10-202,267.65-85,078.70

Finding the Fourth Proportional to 134,845.10, 202,267.65 and 85,078.70

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Solution

The fourth proportional to 134,845.10, 202,267.65 and 85,078.70 is: 127,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,845.10 : 202,267.65 = 85,078.70 : x
  2. Step 2: Convert to fraction form
    134,845.10/202,267.65 = 85,078.70/x
  3. Step 3: Cross multiply
    134,845.10x = 202,267.65 × 85,078.70
  4. Step 4: Simplify right side
    134,845.10x = 17,208,668,714.06
  5. Step 5: Solve for x
    x = 17,208,668,714.06/134,845.10
  6. Step 6: Final answer
    x = 127,618.05

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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.