Home / 135,235.47-186,610.59-74,796.51

Finding the Fourth Proportional to 135,235.47, 186,610.59 and 74,796.51

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Solution

The fourth proportional to 135,235.47, 186,610.59 and 74,796.51 is: 103,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,235.47 : 186,610.59 = 74,796.51 : x
  2. Step 2: Convert to fraction form
    135,235.47/186,610.59 = 74,796.51/x
  3. Step 3: Cross multiply
    135,235.47x = 186,610.59 × 74,796.51
  4. Step 4: Simplify right side
    135,235.47x = 13,957,820,861.04
  5. Step 5: Solve for x
    x = 13,957,820,861.04/135,235.47
  6. Step 6: Final answer
    x = 103,211.24

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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.