Home / 145,830.38-218,767.43-52,358.00

Finding the Fourth Proportional to 145,830.38, 218,767.43 and 52,358.00

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Solution

The fourth proportional to 145,830.38, 218,767.43 and 52,358.00 is: 78,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,830.38 : 218,767.43 = 52,358.00 : x
  2. Step 2: Convert to fraction form
    145,830.38/218,767.43 = 52,358.00/x
  3. Step 3: Cross multiply
    145,830.38x = 218,767.43 × 52,358.00
  4. Step 4: Simplify right side
    145,830.38x = 11,454,224,137.00
  5. Step 5: Solve for x
    x = 11,454,224,137.00/145,830.38
  6. Step 6: Final answer
    x = 78,544.84

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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.