Home / 224,053.09-309,189.35-122,079.40

Finding the Fourth Proportional to 224,053.09, 309,189.35 and 122,079.40

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Solution

The fourth proportional to 224,053.09, 309,189.35 and 122,079.40 is: 168,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,053.09 : 309,189.35 = 122,079.40 : x
  2. Step 2: Convert to fraction form
    224,053.09/309,189.35 = 122,079.40/x
  3. Step 3: Cross multiply
    224,053.09x = 309,189.35 × 122,079.40
  4. Step 4: Simplify right side
    224,053.09x = 37,745,651,605.81
  5. Step 5: Solve for x
    x = 37,745,651,605.81/224,053.09
  6. Step 6: Final answer
    x = 168,467.45

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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.