Home / 224,486.30-309,844.12-129,048.36

Finding the Fourth Proportional to 224,486.30, 309,844.12 and 129,048.36

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Solution

The fourth proportional to 224,486.30, 309,844.12 and 129,048.36 is: 178,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,486.30 : 309,844.12 = 129,048.36 : x
  2. Step 2: Convert to fraction form
    224,486.30/309,844.12 = 129,048.36/x
  3. Step 3: Cross multiply
    224,486.30x = 309,844.12 × 129,048.36
  4. Step 4: Simplify right side
    224,486.30x = 39,984,875,541.64
  5. Step 5: Solve for x
    x = 39,984,875,541.64/224,486.30
  6. Step 6: Final answer
    x = 178,117.22

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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.