Home / 224,130.36-309,290.88-122,153.63

Finding the Fourth Proportional to 224,130.36, 309,290.88 and 122,153.63

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Solution

The fourth proportional to 224,130.36, 309,290.88 and 122,153.63 is: 168,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,130.36 : 309,290.88 = 122,153.63 : x
  2. Step 2: Convert to fraction form
    224,130.36/309,290.88 = 122,153.63/x
  3. Step 3: Cross multiply
    224,130.36x = 309,290.88 × 122,153.63
  4. Step 4: Simplify right side
    224,130.36x = 37,781,003,717.89
  5. Step 5: Solve for x
    x = 37,781,003,717.89/224,130.36
  6. Step 6: Final answer
    x = 168,567.10

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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.