Home / 145,384.24-218,086.77-38,767.64

Finding the Fourth Proportional to 145,384.24, 218,086.77 and 38,767.64

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Solution

The fourth proportional to 145,384.24, 218,086.77 and 38,767.64 is: 58,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,384.24 : 218,086.77 = 38,767.64 : x
  2. Step 2: Convert to fraction form
    145,384.24/218,086.77 = 38,767.64/x
  3. Step 3: Cross multiply
    145,384.24x = 218,086.77 × 38,767.64
  4. Step 4: Simplify right side
    145,384.24x = 8,454,708,947.40
  5. Step 5: Solve for x
    x = 8,454,708,947.40/145,384.24
  6. Step 6: Final answer
    x = 58,154.23

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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.