Home / 108,632.39-149,879.69-68,386.33

Finding the Fourth Proportional to 108,632.39, 149,879.69 and 68,386.33

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Solution

The fourth proportional to 108,632.39, 149,879.69 and 68,386.33 is: 94,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,632.39 : 149,879.69 = 68,386.33 : x
  2. Step 2: Convert to fraction form
    108,632.39/149,879.69 = 68,386.33/x
  3. Step 3: Cross multiply
    108,632.39x = 149,879.69 × 68,386.33
  4. Step 4: Simplify right side
    108,632.39x = 10,249,721,391.77
  5. Step 5: Solve for x
    x = 10,249,721,391.77/108,632.39
  6. Step 6: Final answer
    x = 94,352.35

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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.