Home / 224,112.92-309,277.32-128,617.16

Finding the Fourth Proportional to 224,112.92, 309,277.32 and 128,617.16

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Solution

The fourth proportional to 224,112.92, 309,277.32 and 128,617.16 is: 177,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,112.92 : 309,277.32 = 128,617.16 : x
  2. Step 2: Convert to fraction form
    224,112.92/309,277.32 = 128,617.16/x
  3. Step 3: Cross multiply
    224,112.92x = 309,277.32 × 128,617.16
  4. Step 4: Simplify right side
    224,112.92x = 39,778,370,550.81
  5. Step 5: Solve for x
    x = 39,778,370,550.81/224,112.92
  6. Step 6: Final answer
    x = 177,492.54

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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.