Home / 98,110.32-135,433.36-66,322.28

Finding the Fourth Proportional to 98,110.32, 135,433.36 and 66,322.28

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Solution

The fourth proportional to 98,110.32, 135,433.36 and 66,322.28 is: 91,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,110.32 : 135,433.36 = 66,322.28 : x
  2. Step 2: Convert to fraction form
    98,110.32/135,433.36 = 66,322.28/x
  3. Step 3: Cross multiply
    98,110.32x = 135,433.36 × 66,322.28
  4. Step 4: Simplify right side
    98,110.32x = 8,982,249,223.26
  5. Step 5: Solve for x
    x = 8,982,249,223.26/98,110.32
  6. Step 6: Final answer
    x = 91,552.54

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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.