Home / 127,613.42-191,209.48-74,155.32

Finding the Fourth Proportional to 127,613.42, 191,209.48 and 74,155.32

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Solution

The fourth proportional to 127,613.42, 191,209.48 and 74,155.32 is: 111,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.42 : 191,209.48 = 74,155.32 : x
  2. Step 2: Convert to fraction form
    127,613.42/191,209.48 = 74,155.32/x
  3. Step 3: Cross multiply
    127,613.42x = 191,209.48 × 74,155.32
  4. Step 4: Simplify right side
    127,613.42x = 14,179,200,176.43
  5. Step 5: Solve for x
    x = 14,179,200,176.43/127,613.42
  6. Step 6: Final answer
    x = 111,110.57

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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.