Home / 144,054.40-198,715.20-84,426.88

Finding the Fourth Proportional to 144,054.40, 198,715.20 and 84,426.88

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Solution

The fourth proportional to 144,054.40, 198,715.20 and 84,426.88 is: 116,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,054.40 : 198,715.20 = 84,426.88 : x
  2. Step 2: Convert to fraction form
    144,054.40/198,715.20 = 84,426.88/x
  3. Step 3: Cross multiply
    144,054.40x = 198,715.20 × 84,426.88
  4. Step 4: Simplify right side
    144,054.40x = 16,776,904,344.58
  5. Step 5: Solve for x
    x = 16,776,904,344.58/144,054.40
  6. Step 6: Final answer
    x = 116,462.28

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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.