Home / 142,741.84-196,892.40-91,737.22

Finding the Fourth Proportional to 142,741.84, 196,892.40 and 91,737.22

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Solution

The fourth proportional to 142,741.84, 196,892.40 and 91,737.22 is: 126,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,741.84 : 196,892.40 = 91,737.22 : x
  2. Step 2: Convert to fraction form
    142,741.84/196,892.40 = 91,737.22/x
  3. Step 3: Cross multiply
    142,741.84x = 196,892.40 × 91,737.22
  4. Step 4: Simplify right side
    142,741.84x = 18,062,361,415.13
  5. Step 5: Solve for x
    x = 18,062,361,415.13/142,741.84
  6. Step 6: Final answer
    x = 126,538.66

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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.