Home / 127,635.92-176,154.09-73,209.32

Finding the Fourth Proportional to 127,635.92, 176,154.09 and 73,209.32

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Solution

The fourth proportional to 127,635.92, 176,154.09 and 73,209.32 is: 101,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,635.92 : 176,154.09 = 73,209.32 : x
  2. Step 2: Convert to fraction form
    127,635.92/176,154.09 = 73,209.32/x
  3. Step 3: Cross multiply
    127,635.92x = 176,154.09 × 73,209.32
  4. Step 4: Simplify right side
    127,635.92x = 12,896,121,144.12
  5. Step 5: Solve for x
    x = 12,896,121,144.12/127,635.92
  6. Step 6: Final answer
    x = 101,038.34

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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.