Home / 102,297.48-153,384.78-39,997.32

Finding the Fourth Proportional to 102,297.48, 153,384.78 and 39,997.32

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Solution

The fourth proportional to 102,297.48, 153,384.78 and 39,997.32 is: 59,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,297.48 : 153,384.78 = 39,997.32 : x
  2. Step 2: Convert to fraction form
    102,297.48/153,384.78 = 39,997.32/x
  3. Step 3: Cross multiply
    102,297.48x = 153,384.78 × 39,997.32
  4. Step 4: Simplify right side
    102,297.48x = 6,134,980,128.79
  5. Step 5: Solve for x
    x = 6,134,980,128.79/102,297.48
  6. Step 6: Final answer
    x = 59,971.96

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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.