Home / 181,210.08-272,258.16-171,138.72

Finding the Fourth Proportional to 181,210.08, 272,258.16 and 171,138.72

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Solution

The fourth proportional to 181,210.08, 272,258.16 and 171,138.72 is: 257,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,210.08 : 272,258.16 = 171,138.72 : x
  2. Step 2: Convert to fraction form
    181,210.08/272,258.16 = 171,138.72/x
  3. Step 3: Cross multiply
    181,210.08x = 272,258.16 × 171,138.72
  4. Step 4: Simplify right side
    181,210.08x = 46,593,913,011.96
  5. Step 5: Solve for x
    x = 46,593,913,011.96/181,210.08
  6. Step 6: Final answer
    x = 257,126.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.