Home / 144,986.40-200,243.34-99,802.98

Finding the Fourth Proportional to 144,986.40, 200,243.34 and 99,802.98

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Solution

The fourth proportional to 144,986.40, 200,243.34 and 99,802.98 is: 137,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,986.40 : 200,243.34 = 99,802.98 : x
  2. Step 2: Convert to fraction form
    144,986.40/200,243.34 = 99,802.98/x
  3. Step 3: Cross multiply
    144,986.40x = 200,243.34 × 99,802.98
  4. Step 4: Simplify right side
    144,986.40x = 19,984,882,057.15
  5. Step 5: Solve for x
    x = 19,984,882,057.15/144,986.40
  6. Step 6: Final answer
    x = 137,839.70

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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.