Home / 255,323.22-383,159.79-89,111.22

Finding the Fourth Proportional to 255,323.22, 383,159.79 and 89,111.22

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Solution

The fourth proportional to 255,323.22, 383,159.79 and 89,111.22 is: 133,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,323.22 : 383,159.79 = 89,111.22 : x
  2. Step 2: Convert to fraction form
    255,323.22/383,159.79 = 89,111.22/x
  3. Step 3: Cross multiply
    255,323.22x = 383,159.79 × 89,111.22
  4. Step 4: Simplify right side
    255,323.22x = 34,143,836,341.84
  5. Step 5: Solve for x
    x = 34,143,836,341.84/255,323.22
  6. Step 6: Final answer
    x = 133,727.89

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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.