Home / 91,390.15-126,150.17-62,804.47

Finding the Fourth Proportional to 91,390.15, 126,150.17 and 62,804.47

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Solution

The fourth proportional to 91,390.15, 126,150.17 and 62,804.47 is: 86,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,390.15 : 126,150.17 = 62,804.47 : x
  2. Step 2: Convert to fraction form
    91,390.15/126,150.17 = 62,804.47/x
  3. Step 3: Cross multiply
    91,390.15x = 126,150.17 × 62,804.47
  4. Step 4: Simplify right side
    91,390.15x = 7,922,794,567.26
  5. Step 5: Solve for x
    x = 7,922,794,567.26/91,390.15
  6. Step 6: Final answer
    x = 86,692.00

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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.