Home / 127,984.50-176,596.74-74,257.20

Finding the Fourth Proportional to 127,984.50, 176,596.74 and 74,257.20

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Solution

The fourth proportional to 127,984.50, 176,596.74 and 74,257.20 is: 102,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,984.50 : 176,596.74 = 74,257.20 : x
  2. Step 2: Convert to fraction form
    127,984.50/176,596.74 = 74,257.20/x
  3. Step 3: Cross multiply
    127,984.50x = 176,596.74 × 74,257.20
  4. Step 4: Simplify right side
    127,984.50x = 13,113,579,441.53
  5. Step 5: Solve for x
    x = 13,113,579,441.53/127,984.50
  6. Step 6: Final answer
    x = 102,462.25

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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.