Home / 102,564.48-153,758.40-40,220.16

Finding the Fourth Proportional to 102,564.48, 153,758.40 and 40,220.16

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Solution

The fourth proportional to 102,564.48, 153,758.40 and 40,220.16 is: 60,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,564.48 : 153,758.40 = 40,220.16 : x
  2. Step 2: Convert to fraction form
    102,564.48/153,758.40 = 40,220.16/x
  3. Step 3: Cross multiply
    102,564.48x = 153,758.40 × 40,220.16
  4. Step 4: Simplify right side
    102,564.48x = 6,184,187,449.34
  5. Step 5: Solve for x
    x = 6,184,187,449.34/102,564.48
  6. Step 6: Final answer
    x = 60,295.61

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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.