Home / 170,615.60-255,923.37-91,621.16

Finding the Fourth Proportional to 170,615.60, 255,923.37 and 91,621.16

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Solution

The fourth proportional to 170,615.60, 255,923.37 and 91,621.16 is: 137,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,615.60 : 255,923.37 = 91,621.16 : x
  2. Step 2: Convert to fraction form
    170,615.60/255,923.37 = 91,621.16/x
  3. Step 3: Cross multiply
    170,615.60x = 255,923.37 × 91,621.16
  4. Step 4: Simplify right side
    170,615.60x = 23,447,996,030.51
  5. Step 5: Solve for x
    x = 23,447,996,030.51/170,615.60
  6. Step 6: Final answer
    x = 137,431.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.