Home / 127,984.56-176,618.16-71,395.98

Finding the Fourth Proportional to 127,984.56, 176,618.16 and 71,395.98

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Solution

The fourth proportional to 127,984.56, 176,618.16 and 71,395.98 is: 98,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,984.56 : 176,618.16 = 71,395.98 : x
  2. Step 2: Convert to fraction form
    127,984.56/176,618.16 = 71,395.98/x
  3. Step 3: Cross multiply
    127,984.56x = 176,618.16 × 71,395.98
  4. Step 4: Simplify right side
    127,984.56x = 12,609,826,619.00
  5. Step 5: Solve for x
    x = 12,609,826,619.00/127,984.56
  6. Step 6: Final answer
    x = 98,526.16

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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.