Home / 102,011.71-153,005.38-27,137.33

Finding the Fourth Proportional to 102,011.71, 153,005.38 and 27,137.33

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Solution

The fourth proportional to 102,011.71, 153,005.38 and 27,137.33 is: 40,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,011.71 : 153,005.38 = 27,137.33 : x
  2. Step 2: Convert to fraction form
    102,011.71/153,005.38 = 27,137.33/x
  3. Step 3: Cross multiply
    102,011.71x = 153,005.38 × 27,137.33
  4. Step 4: Simplify right side
    102,011.71x = 4,152,157,488.84
  5. Step 5: Solve for x
    x = 4,152,157,488.84/102,011.71
  6. Step 6: Final answer
    x = 40,702.75

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1.5x scale

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.