Home / 148,681.69-205,182.17-80,699.26

Finding the Fourth Proportional to 148,681.69, 205,182.17 and 80,699.26

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Solution

The fourth proportional to 148,681.69, 205,182.17 and 80,699.26 is: 111,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,681.69 : 205,182.17 = 80,699.26 : x
  2. Step 2: Convert to fraction form
    148,681.69/205,182.17 = 80,699.26/x
  3. Step 3: Cross multiply
    148,681.69x = 205,182.17 × 80,699.26
  4. Step 4: Simplify right side
    148,681.69x = 16,558,049,284.19
  5. Step 5: Solve for x
    x = 16,558,049,284.19/148,681.69
  6. Step 6: Final answer
    x = 111,365.76

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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.