Home / 145,740.85-218,611.27-56,932.07

Finding the Fourth Proportional to 145,740.85, 218,611.27 and 56,932.07

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Solution

The fourth proportional to 145,740.85, 218,611.27 and 56,932.07 is: 85,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,740.85 : 218,611.27 = 56,932.07 : x
  2. Step 2: Convert to fraction form
    145,740.85/218,611.27 = 56,932.07/x
  3. Step 3: Cross multiply
    145,740.85x = 218,611.27 × 56,932.07
  4. Step 4: Simplify right side
    145,740.85x = 12,445,991,984.10
  5. Step 5: Solve for x
    x = 12,445,991,984.10/145,740.85
  6. Step 6: Final answer
    x = 85,398.11

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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.