Home / 137,577.79-206,345.40-56,533.03

Finding the Fourth Proportional to 137,577.79, 206,345.40 and 56,533.03

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Solution

The fourth proportional to 137,577.79, 206,345.40 and 56,533.03 is: 84,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,577.79 : 206,345.40 = 56,533.03 : x
  2. Step 2: Convert to fraction form
    137,577.79/206,345.40 = 56,533.03/x
  3. Step 3: Cross multiply
    137,577.79x = 206,345.40 × 56,533.03
  4. Step 4: Simplify right side
    137,577.79x = 11,665,330,688.56
  5. Step 5: Solve for x
    x = 11,665,330,688.56/137,577.79
  6. Step 6: Final answer
    x = 84,790.80

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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.