Home / 144,037.40-198,782.93-79,519.46

Finding the Fourth Proportional to 144,037.40, 198,782.93 and 79,519.46

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Solution

The fourth proportional to 144,037.40, 198,782.93 and 79,519.46 is: 109,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,037.40 : 198,782.93 = 79,519.46 : x
  2. Step 2: Convert to fraction form
    144,037.40/198,782.93 = 79,519.46/x
  3. Step 3: Cross multiply
    144,037.40x = 198,782.93 × 79,519.46
  4. Step 4: Simplify right side
    144,037.40x = 15,807,111,946.57
  5. Step 5: Solve for x
    x = 15,807,111,946.57/144,037.40
  6. Step 6: Final answer
    x = 109,743.11

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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.