Home / 127,377.57-175,477.23-89,065.42

Finding the Fourth Proportional to 127,377.57, 175,477.23 and 89,065.42

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Solution

The fourth proportional to 127,377.57, 175,477.23 and 89,065.42 is: 122,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,377.57 : 175,477.23 = 89,065.42 : x
  2. Step 2: Convert to fraction form
    127,377.57/175,477.23 = 89,065.42/x
  3. Step 3: Cross multiply
    127,377.57x = 175,477.23 × 89,065.42
  4. Step 4: Simplify right side
    127,377.57x = 15,628,953,190.39
  5. Step 5: Solve for x
    x = 15,628,953,190.39/127,377.57
  6. Step 6: Final answer
    x = 122,697.84

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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.