Home / 218,993.95-302,103.03-141,442.93

Finding the Fourth Proportional to 218,993.95, 302,103.03 and 141,442.93

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Solution

The fourth proportional to 218,993.95, 302,103.03 and 141,442.93 is: 195,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,993.95 : 302,103.03 = 141,442.93 : x
  2. Step 2: Convert to fraction form
    218,993.95/302,103.03 = 141,442.93/x
  3. Step 3: Cross multiply
    218,993.95x = 302,103.03 × 141,442.93
  4. Step 4: Simplify right side
    218,993.95x = 42,730,337,725.08
  5. Step 5: Solve for x
    x = 42,730,337,725.08/218,993.95
  6. Step 6: Final answer
    x = 195,121.09

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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.