Home / 145,474.64-218,312.30-50,705.62

Finding the Fourth Proportional to 145,474.64, 218,312.30 and 50,705.62

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Solution

The fourth proportional to 145,474.64, 218,312.30 and 50,705.62 is: 76,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,474.64 : 218,312.30 = 50,705.62 : x
  2. Step 2: Convert to fraction form
    145,474.64/218,312.30 = 50,705.62/x
  3. Step 3: Cross multiply
    145,474.64x = 218,312.30 × 50,705.62
  4. Step 4: Simplify right side
    145,474.64x = 11,069,660,525.13
  5. Step 5: Solve for x
    x = 11,069,660,525.13/145,474.64
  6. Step 6: Final answer
    x = 76,093.40

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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.