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Finding the Fourth Proportional to 127,885.98, 176,483.80 and 76,900.26

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Solution

The fourth proportional to 127,885.98, 176,483.80 and 76,900.26 is: 106,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,885.98 : 176,483.80 = 76,900.26 : x
  2. Step 2: Convert to fraction form
    127,885.98/176,483.80 = 76,900.26/x
  3. Step 3: Cross multiply
    127,885.98x = 176,483.80 × 76,900.26
  4. Step 4: Simplify right side
    127,885.98x = 13,571,650,105.79
  5. Step 5: Solve for x
    x = 13,571,650,105.79/127,885.98
  6. Step 6: Final answer
    x = 106,123.05

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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.