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Finding the Fourth Proportional to 167,332.32, 230,918.88 and 91,885.60

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Solution

The fourth proportional to 167,332.32, 230,918.88 and 91,885.60 is: 126,802.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,332.32 : 230,918.88 = 91,885.60 : x
  2. Step 2: Convert to fraction form
    167,332.32/230,918.88 = 91,885.60/x
  3. Step 3: Cross multiply
    167,332.32x = 230,918.88 × 91,885.60
  4. Step 4: Simplify right side
    167,332.32x = 21,218,119,840.13
  5. Step 5: Solve for x
    x = 21,218,119,840.13/167,332.32
  6. Step 6: Final answer
    x = 126,802.28

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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.