Home / 145,177.77-217,767.74-40,002.51

Finding the Fourth Proportional to 145,177.77, 217,767.74 and 40,002.51

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Solution

The fourth proportional to 145,177.77, 217,767.74 and 40,002.51 is: 60,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,177.77 : 217,767.74 = 40,002.51 : x
  2. Step 2: Convert to fraction form
    145,177.77/217,767.74 = 40,002.51/x
  3. Step 3: Cross multiply
    145,177.77x = 217,767.74 × 40,002.51
  4. Step 4: Simplify right side
    145,177.77x = 8,711,255,997.01
  5. Step 5: Solve for x
    x = 8,711,255,997.01/145,177.77
  6. Step 6: Final answer
    x = 60,004.06

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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.