Home / 121,346.19-167,455.55-66,156.03

Finding the Fourth Proportional to 121,346.19, 167,455.55 and 66,156.03

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Solution

The fourth proportional to 121,346.19, 167,455.55 and 66,156.03 is: 91,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,346.19 : 167,455.55 = 66,156.03 : x
  2. Step 2: Convert to fraction form
    121,346.19/167,455.55 = 66,156.03/x
  3. Step 3: Cross multiply
    121,346.19x = 167,455.55 × 66,156.03
  4. Step 4: Simplify right side
    121,346.19x = 11,078,194,058.69
  5. Step 5: Solve for x
    x = 11,078,194,058.69/121,346.19
  6. Step 6: Final answer
    x = 91,294.12

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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.