Home / 102,284.78-153,357.30-41,455.80

Finding the Fourth Proportional to 102,284.78, 153,357.30 and 41,455.80

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Solution

The fourth proportional to 102,284.78, 153,357.30 and 41,455.80 is: 62,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,284.78 : 153,357.30 = 41,455.80 : x
  2. Step 2: Convert to fraction form
    102,284.78/153,357.30 = 41,455.80/x
  3. Step 3: Cross multiply
    102,284.78x = 153,357.30 × 41,455.80
  4. Step 4: Simplify right side
    102,284.78x = 6,357,549,557.34
  5. Step 5: Solve for x
    x = 6,357,549,557.34/102,284.78
  6. Step 6: Final answer
    x = 62,155.38

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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.