Home / 145,164.47-217,661.94-56,314.15

Finding the Fourth Proportional to 145,164.47, 217,661.94 and 56,314.15

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Solution

The fourth proportional to 145,164.47, 217,661.94 and 56,314.15 is: 84,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,164.47 : 217,661.94 = 56,314.15 : x
  2. Step 2: Convert to fraction form
    145,164.47/217,661.94 = 56,314.15/x
  3. Step 3: Cross multiply
    145,164.47x = 217,661.94 × 56,314.15
  4. Step 4: Simplify right side
    145,164.47x = 12,257,447,138.45
  5. Step 5: Solve for x
    x = 12,257,447,138.45/145,164.47
  6. Step 6: Final answer
    x = 84,438.34

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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.