Home / 104,748.12-157,088.16-45,566.28

Finding the Fourth Proportional to 104,748.12, 157,088.16 and 45,566.28

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Solution

The fourth proportional to 104,748.12, 157,088.16 and 45,566.28 is: 68,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,748.12 : 157,088.16 = 45,566.28 : x
  2. Step 2: Convert to fraction form
    104,748.12/157,088.16 = 45,566.28/x
  3. Step 3: Cross multiply
    104,748.12x = 157,088.16 × 45,566.28
  4. Step 4: Simplify right side
    104,748.12x = 7,157,923,083.24
  5. Step 5: Solve for x
    x = 7,157,923,083.24/104,748.12
  6. Step 6: Final answer
    x = 68,334.62

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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.