Home / 102,334.90-153,518.74-43,179.28

Finding the Fourth Proportional to 102,334.90, 153,518.74 and 43,179.28

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Solution

The fourth proportional to 102,334.90, 153,518.74 and 43,179.28 is: 64,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,334.90 : 153,518.74 = 43,179.28 : x
  2. Step 2: Convert to fraction form
    102,334.90/153,518.74 = 43,179.28/x
  3. Step 3: Cross multiply
    102,334.90x = 153,518.74 × 43,179.28
  4. Step 4: Simplify right side
    102,334.90x = 6,628,828,659.71
  5. Step 5: Solve for x
    x = 6,628,828,659.71/102,334.90
  6. Step 6: Final answer
    x = 64,775.84

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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.