Home / 127,467.15-191,218.91-47,498.30

Finding the Fourth Proportional to 127,467.15, 191,218.91 and 47,498.30

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Solution

The fourth proportional to 127,467.15, 191,218.91 and 47,498.30 is: 71,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,467.15 : 191,218.91 = 47,498.30 : x
  2. Step 2: Convert to fraction form
    127,467.15/191,218.91 = 47,498.30/x
  3. Step 3: Cross multiply
    127,467.15x = 191,218.91 × 47,498.30
  4. Step 4: Simplify right side
    127,467.15x = 9,082,571,959.27
  5. Step 5: Solve for x
    x = 9,082,571,959.27/127,467.15
  6. Step 6: Final answer
    x = 71,254.22

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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.