Home / 127,370.81-175,586.47-89,011.27

Finding the Fourth Proportional to 127,370.81, 175,586.47 and 89,011.27

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Solution

The fourth proportional to 127,370.81, 175,586.47 and 89,011.27 is: 122,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,370.81 : 175,586.47 = 89,011.27 : x
  2. Step 2: Convert to fraction form
    127,370.81/175,586.47 = 89,011.27/x
  3. Step 3: Cross multiply
    127,370.81x = 175,586.47 × 89,011.27
  4. Step 4: Simplify right side
    127,370.81x = 15,629,173,811.58
  5. Step 5: Solve for x
    x = 15,629,173,811.58/127,370.81
  6. Step 6: Final answer
    x = 122,706.09

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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.