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Finding the Fourth Proportional to 94,357.08, 130,213.08 and 51,918.24

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Solution

The fourth proportional to 94,357.08, 130,213.08 and 51,918.24 is: 71,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,357.08 : 130,213.08 = 51,918.24 : x
  2. Step 2: Convert to fraction form
    94,357.08/130,213.08 = 51,918.24/x
  3. Step 3: Cross multiply
    94,357.08x = 130,213.08 × 51,918.24
  4. Step 4: Simplify right side
    94,357.08x = 6,760,433,938.58
  5. Step 5: Solve for x
    x = 6,760,433,938.58/94,357.08
  6. Step 6: Final answer
    x = 71,647.34

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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.