Home / 127,683.60-191,058.82-75,117.84

Finding the Fourth Proportional to 127,683.60, 191,058.82 and 75,117.84

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Solution

The fourth proportional to 127,683.60, 191,058.82 and 75,117.84 is: 112,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,683.60 : 191,058.82 = 75,117.84 : x
  2. Step 2: Convert to fraction form
    127,683.60/191,058.82 = 75,117.84/x
  3. Step 3: Cross multiply
    127,683.60x = 191,058.82 × 75,117.84
  4. Step 4: Simplify right side
    127,683.60x = 14,351,925,871.35
  5. Step 5: Solve for x
    x = 14,351,925,871.35/127,683.60
  6. Step 6: Final answer
    x = 112,402.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.