Home / 102,335.81-153,509.38-31,269.24

Finding the Fourth Proportional to 102,335.81, 153,509.38 and 31,269.24

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Solution

The fourth proportional to 102,335.81, 153,509.38 and 31,269.24 is: 46,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,335.81 : 153,509.38 = 31,269.24 : x
  2. Step 2: Convert to fraction form
    102,335.81/153,509.38 = 31,269.24/x
  3. Step 3: Cross multiply
    102,335.81x = 153,509.38 × 31,269.24
  4. Step 4: Simplify right side
    102,335.81x = 4,800,121,567.30
  5. Step 5: Solve for x
    x = 4,800,121,567.30/102,335.81
  6. Step 6: Final answer
    x = 46,905.59

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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.