Home / 127,722.23-176,256.68-71,133.60

Finding the Fourth Proportional to 127,722.23, 176,256.68 and 71,133.60

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Solution

The fourth proportional to 127,722.23, 176,256.68 and 71,133.60 is: 98,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,722.23 : 176,256.68 = 71,133.60 : x
  2. Step 2: Convert to fraction form
    127,722.23/176,256.68 = 71,133.60/x
  3. Step 3: Cross multiply
    127,722.23x = 176,256.68 × 71,133.60
  4. Step 4: Simplify right side
    127,722.23x = 12,537,772,172.45
  5. Step 5: Solve for x
    x = 12,537,772,172.45/127,722.23
  6. Step 6: Final answer
    x = 98,164.37

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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.