Home / 127,823.42-176,396.91-74,140.22

Finding the Fourth Proportional to 127,823.42, 176,396.91 and 74,140.22

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Solution

The fourth proportional to 127,823.42, 176,396.91 and 74,140.22 is: 102,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,823.42 : 176,396.91 = 74,140.22 : x
  2. Step 2: Convert to fraction form
    127,823.42/176,396.91 = 74,140.22/x
  3. Step 3: Cross multiply
    127,823.42x = 176,396.91 × 74,140.22
  4. Step 4: Simplify right side
    127,823.42x = 13,078,105,714.72
  5. Step 5: Solve for x
    x = 13,078,105,714.72/127,823.42
  6. Step 6: Final answer
    x = 102,313.85

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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.