Home / 91,514.89-126,296.16-51,231.16

Finding the Fourth Proportional to 91,514.89, 126,296.16 and 51,231.16

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Solution

The fourth proportional to 91,514.89, 126,296.16 and 51,231.16 is: 70,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,514.89 : 126,296.16 = 51,231.16 : x
  2. Step 2: Convert to fraction form
    91,514.89/126,296.16 = 51,231.16/x
  3. Step 3: Cross multiply
    91,514.89x = 126,296.16 × 51,231.16
  4. Step 4: Simplify right side
    91,514.89x = 6,470,298,780.35
  5. Step 5: Solve for x
    x = 6,470,298,780.35/91,514.89
  6. Step 6: Final answer
    x = 70,702.14

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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.