Home / 127,072.54-175,360.98-70,487.56

Finding the Fourth Proportional to 127,072.54, 175,360.98 and 70,487.56

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Solution

The fourth proportional to 127,072.54, 175,360.98 and 70,487.56 is: 97,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,072.54 : 175,360.98 = 70,487.56 : x
  2. Step 2: Convert to fraction form
    127,072.54/175,360.98 = 70,487.56/x
  3. Step 3: Cross multiply
    127,072.54x = 175,360.98 × 70,487.56
  4. Step 4: Simplify right side
    127,072.54x = 12,360,767,599.41
  5. Step 5: Solve for x
    x = 12,360,767,599.41/127,072.54
  6. Step 6: Final answer
    x = 97,273.32

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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.