Home / 155,283.96-214,329.42-144,777.72

Finding the Fourth Proportional to 155,283.96, 214,329.42 and 144,777.72

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Solution

The fourth proportional to 155,283.96, 214,329.42 and 144,777.72 is: 199,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,283.96 : 214,329.42 = 144,777.72 : x
  2. Step 2: Convert to fraction form
    155,283.96/214,329.42 = 144,777.72/x
  3. Step 3: Cross multiply
    155,283.96x = 214,329.42 × 144,777.72
  4. Step 4: Simplify right side
    155,283.96x = 31,030,124,756.52
  5. Step 5: Solve for x
    x = 31,030,124,756.52/155,283.96
  6. Step 6: Final answer
    x = 199,828.27

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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.