Home / 145,705.06-218,573.25-45,868.24

Finding the Fourth Proportional to 145,705.06, 218,573.25 and 45,868.24

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Solution

The fourth proportional to 145,705.06, 218,573.25 and 45,868.24 is: 68,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,705.06 : 218,573.25 = 45,868.24 : x
  2. Step 2: Convert to fraction form
    145,705.06/218,573.25 = 45,868.24/x
  3. Step 3: Cross multiply
    145,705.06x = 218,573.25 × 45,868.24
  4. Step 4: Simplify right side
    145,705.06x = 10,025,570,288.58
  5. Step 5: Solve for x
    x = 10,025,570,288.58/145,705.06
  6. Step 6: Final answer
    x = 68,807.29

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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.