Home / 144,649.60-199,570-93,701.38

Finding the Fourth Proportional to 144,649.60, 199,570 and 93,701.38

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Solution

The fourth proportional to 144,649.60, 199,570 and 93,701.38 is: 129,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,649.60 : 199,570 = 93,701.38 : x
  2. Step 2: Convert to fraction form
    144,649.60/199,570 = 93,701.38/x
  3. Step 3: Cross multiply
    144,649.60x = 199,570 × 93,701.38
  4. Step 4: Simplify right side
    144,649.60x = 18,699,984,406.60
  5. Step 5: Solve for x
    x = 18,699,984,406.60/144,649.60
  6. Step 6: Final answer
    x = 129,277.82

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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.