Home / 127,832.72-176,415.18-71,244.50

Finding the Fourth Proportional to 127,832.72, 176,415.18 and 71,244.50

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Solution

The fourth proportional to 127,832.72, 176,415.18 and 71,244.50 is: 98,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,832.72 : 176,415.18 = 71,244.50 : x
  2. Step 2: Convert to fraction form
    127,832.72/176,415.18 = 71,244.50/x
  3. Step 3: Cross multiply
    127,832.72x = 176,415.18 × 71,244.50
  4. Step 4: Simplify right side
    127,832.72x = 12,568,611,291.51
  5. Step 5: Solve for x
    x = 12,568,611,291.51/127,832.72
  6. Step 6: Final answer
    x = 98,320.77

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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.