Home / 150,011.01-207,007.92-85,495.35

Finding the Fourth Proportional to 150,011.01, 207,007.92 and 85,495.35

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Solution

The fourth proportional to 150,011.01, 207,007.92 and 85,495.35 is: 117,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,011.01 : 207,007.92 = 85,495.35 : x
  2. Step 2: Convert to fraction form
    150,011.01/207,007.92 = 85,495.35/x
  3. Step 3: Cross multiply
    150,011.01x = 207,007.92 × 85,495.35
  4. Step 4: Simplify right side
    150,011.01x = 17,698,214,573.17
  5. Step 5: Solve for x
    x = 17,698,214,573.17/150,011.01
  6. Step 6: Final answer
    x = 117,979.44

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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.