Home / 145,427.88-218,052.60-56,577.96

Finding the Fourth Proportional to 145,427.88, 218,052.60 and 56,577.96

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Solution

The fourth proportional to 145,427.88, 218,052.60 and 56,577.96 is: 84,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,427.88 : 218,052.60 = 56,577.96 : x
  2. Step 2: Convert to fraction form
    145,427.88/218,052.60 = 56,577.96/x
  3. Step 3: Cross multiply
    145,427.88x = 218,052.60 × 56,577.96
  4. Step 4: Simplify right side
    145,427.88x = 12,336,971,280.70
  5. Step 5: Solve for x
    x = 12,336,971,280.70/145,427.88
  6. Step 6: Final answer
    x = 84,832.23

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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.