Home / 135,700.75-187,265.73-75,271.51

Finding the Fourth Proportional to 135,700.75, 187,265.73 and 75,271.51

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Solution

The fourth proportional to 135,700.75, 187,265.73 and 75,271.51 is: 103,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,700.75 : 187,265.73 = 75,271.51 : x
  2. Step 2: Convert to fraction form
    135,700.75/187,265.73 = 75,271.51/x
  3. Step 3: Cross multiply
    135,700.75x = 187,265.73 × 75,271.51
  4. Step 4: Simplify right side
    135,700.75x = 14,095,774,268.35
  5. Step 5: Solve for x
    x = 14,095,774,268.35/135,700.75
  6. Step 6: Final answer
    x = 103,873.96

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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.