Home / 155,130.75-232,480.85-70,684.54

Finding the Fourth Proportional to 155,130.75, 232,480.85 and 70,684.54

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Solution

The fourth proportional to 155,130.75, 232,480.85 and 70,684.54 is: 105,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,130.75 : 232,480.85 = 70,684.54 : x
  2. Step 2: Convert to fraction form
    155,130.75/232,480.85 = 70,684.54/x
  3. Step 3: Cross multiply
    155,130.75x = 232,480.85 × 70,684.54
  4. Step 4: Simplify right side
    155,130.75x = 16,432,801,941.06
  5. Step 5: Solve for x
    x = 16,432,801,941.06/155,130.75
  6. Step 6: Final answer
    x = 105,928.72

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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.