Home / 102,125.64-153,189.60-31,059.86

Finding the Fourth Proportional to 102,125.64, 153,189.60 and 31,059.86

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Solution

The fourth proportional to 102,125.64, 153,189.60 and 31,059.86 is: 46,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,125.64 : 153,189.60 = 31,059.86 : x
  2. Step 2: Convert to fraction form
    102,125.64/153,189.60 = 31,059.86/x
  3. Step 3: Cross multiply
    102,125.64x = 153,189.60 × 31,059.86
  4. Step 4: Simplify right side
    102,125.64x = 4,758,046,647.03
  5. Step 5: Solve for x
    x = 4,758,046,647.03/102,125.64
  6. Step 6: Final answer
    x = 46,590.13

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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.