Home / 152,919.48-211,031.34-85,850.04

Finding the Fourth Proportional to 152,919.48, 211,031.34 and 85,850.04

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Solution

The fourth proportional to 152,919.48, 211,031.34 and 85,850.04 is: 118,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,919.48 : 211,031.34 = 85,850.04 : x
  2. Step 2: Convert to fraction form
    152,919.48/211,031.34 = 85,850.04/x
  3. Step 3: Cross multiply
    152,919.48x = 211,031.34 × 85,850.04
  4. Step 4: Simplify right side
    152,919.48x = 18,117,048,980.25
  5. Step 5: Solve for x
    x = 18,117,048,980.25/152,919.48
  6. Step 6: Final answer
    x = 118,474.43

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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.