Home / 217,587.64-300,270.12-122,094.10

Finding the Fourth Proportional to 217,587.64, 300,270.12 and 122,094.10

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Solution

The fourth proportional to 217,587.64, 300,270.12 and 122,094.10 is: 168,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,587.64 : 300,270.12 = 122,094.10 : x
  2. Step 2: Convert to fraction form
    217,587.64/300,270.12 = 122,094.10/x
  3. Step 3: Cross multiply
    217,587.64x = 300,270.12 × 122,094.10
  4. Step 4: Simplify right side
    217,587.64x = 36,661,210,058.29
  5. Step 5: Solve for x
    x = 36,661,210,058.29/217,587.64
  6. Step 6: Final answer
    x = 168,489.40

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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.