Home / 99,600.44-137,448.60-54,278.40

Finding the Fourth Proportional to 99,600.44, 137,448.60 and 54,278.40

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Solution

The fourth proportional to 99,600.44, 137,448.60 and 54,278.40 is: 74,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,600.44 : 137,448.60 = 54,278.40 : x
  2. Step 2: Convert to fraction form
    99,600.44/137,448.60 = 54,278.40/x
  3. Step 3: Cross multiply
    99,600.44x = 137,448.60 × 54,278.40
  4. Step 4: Simplify right side
    99,600.44x = 7,460,490,090.24
  5. Step 5: Solve for x
    x = 7,460,490,090.24/99,600.44
  6. Step 6: Final answer
    x = 74,904.19

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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.