Home / 133,851.42-184,756.32-86,104.80

Finding the Fourth Proportional to 133,851.42, 184,756.32 and 86,104.80

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Solution

The fourth proportional to 133,851.42, 184,756.32 and 86,104.80 is: 118,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,851.42 : 184,756.32 = 86,104.80 : x
  2. Step 2: Convert to fraction form
    133,851.42/184,756.32 = 86,104.80/x
  3. Step 3: Cross multiply
    133,851.42x = 184,756.32 × 86,104.80
  4. Step 4: Simplify right side
    133,851.42x = 15,908,405,982.34
  5. Step 5: Solve for x
    x = 15,908,405,982.34/133,851.42
  6. Step 6: Final answer
    x = 118,851.23

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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.