Home / 127,850.37-176,433.71-71,260.53

Finding the Fourth Proportional to 127,850.37, 176,433.71 and 71,260.53

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Solution

The fourth proportional to 127,850.37, 176,433.71 and 71,260.53 is: 98,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,850.37 : 176,433.71 = 71,260.53 : x
  2. Step 2: Convert to fraction form
    127,850.37/176,433.71 = 71,260.53/x
  3. Step 3: Cross multiply
    127,850.37x = 176,433.71 × 71,260.53
  4. Step 4: Simplify right side
    127,850.37x = 12,572,759,328.16
  5. Step 5: Solve for x
    x = 12,572,759,328.16/127,850.37
  6. Step 6: Final answer
    x = 98,339.64

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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.