Home / 145,927.54-218,874.96-39,319.42

Finding the Fourth Proportional to 145,927.54, 218,874.96 and 39,319.42

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Solution

The fourth proportional to 145,927.54, 218,874.96 and 39,319.42 is: 58,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,927.54 : 218,874.96 = 39,319.42 : x
  2. Step 2: Convert to fraction form
    145,927.54/218,874.96 = 39,319.42/x
  3. Step 3: Cross multiply
    145,927.54x = 218,874.96 × 39,319.42
  4. Step 4: Simplify right side
    145,927.54x = 8,606,036,479.72
  5. Step 5: Solve for x
    x = 8,606,036,479.72/145,927.54
  6. Step 6: Final answer
    x = 58,974.72

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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.