Home / 155,017.42-213,947.41-94,623.07

Finding the Fourth Proportional to 155,017.42, 213,947.41 and 94,623.07

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Solution

The fourth proportional to 155,017.42, 213,947.41 and 94,623.07 is: 130,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,017.42 : 213,947.41 = 94,623.07 : x
  2. Step 2: Convert to fraction form
    155,017.42/213,947.41 = 94,623.07/x
  3. Step 3: Cross multiply
    155,017.42x = 213,947.41 × 94,623.07
  4. Step 4: Simplify right side
    155,017.42x = 20,244,361,861.67
  5. Step 5: Solve for x
    x = 20,244,361,861.67/155,017.42
  6. Step 6: Final answer
    x = 130,594.11

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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.