Home / 102,073.21-153,140.96-52,188.35

Finding the Fourth Proportional to 102,073.21, 153,140.96 and 52,188.35

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Solution

The fourth proportional to 102,073.21, 153,140.96 and 52,188.35 is: 78,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,073.21 : 153,140.96 = 52,188.35 : x
  2. Step 2: Convert to fraction form
    102,073.21/153,140.96 = 52,188.35/x
  3. Step 3: Cross multiply
    102,073.21x = 153,140.96 × 52,188.35
  4. Step 4: Simplify right side
    102,073.21x = 7,992,173,384.58
  5. Step 5: Solve for x
    x = 7,992,173,384.58/102,073.21
  6. Step 6: Final answer
    x = 78,298.44

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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.