Home / 145,985.56-218,977.86-35,177.56

Finding the Fourth Proportional to 145,985.56, 218,977.86 and 35,177.56

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Solution

The fourth proportional to 145,985.56, 218,977.86 and 35,177.56 is: 52,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,985.56 : 218,977.86 = 35,177.56 : x
  2. Step 2: Convert to fraction form
    145,985.56/218,977.86 = 35,177.56/x
  3. Step 3: Cross multiply
    145,985.56x = 218,977.86 × 35,177.56
  4. Step 4: Simplify right side
    145,985.56x = 7,703,106,808.82
  5. Step 5: Solve for x
    x = 7,703,106,808.82/145,985.56
  6. Step 6: Final answer
    x = 52,766.22

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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.