Home / 127,076.34-175,386.39-70,505.94

Finding the Fourth Proportional to 127,076.34, 175,386.39 and 70,505.94

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Solution

The fourth proportional to 127,076.34, 175,386.39 and 70,505.94 is: 97,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,076.34 : 175,386.39 = 70,505.94 : x
  2. Step 2: Convert to fraction form
    127,076.34/175,386.39 = 70,505.94/x
  3. Step 3: Cross multiply
    127,076.34x = 175,386.39 × 70,505.94
  4. Step 4: Simplify right side
    127,076.34x = 12,365,782,290.16
  5. Step 5: Solve for x
    x = 12,365,782,290.16/127,076.34
  6. Step 6: Final answer
    x = 97,309.87

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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.