Home / 88,009.66-121,460.24-74,322.28

Finding the Fourth Proportional to 88,009.66, 121,460.24 and 74,322.28

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Solution

The fourth proportional to 88,009.66, 121,460.24 and 74,322.28 is: 102,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009.66 : 121,460.24 = 74,322.28 : x
  2. Step 2: Convert to fraction form
    88,009.66/121,460.24 = 74,322.28/x
  3. Step 3: Cross multiply
    88,009.66x = 121,460.24 × 74,322.28
  4. Step 4: Simplify right side
    88,009.66x = 9,027,201,966.15
  5. Step 5: Solve for x
    x = 9,027,201,966.15/88,009.66
  6. Step 6: Final answer
    x = 102,570.58

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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.