Home / 143,757.30-215,558.10-64,779.06

Finding the Fourth Proportional to 143,757.30, 215,558.10 and 64,779.06

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Solution

The fourth proportional to 143,757.30, 215,558.10 and 64,779.06 is: 97,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,757.30 : 215,558.10 = 64,779.06 : x
  2. Step 2: Convert to fraction form
    143,757.30/215,558.10 = 64,779.06/x
  3. Step 3: Cross multiply
    143,757.30x = 215,558.10 × 64,779.06
  4. Step 4: Simplify right side
    143,757.30x = 13,963,651,093.39
  5. Step 5: Solve for x
    x = 13,963,651,093.39/143,757.30
  6. Step 6: Final answer
    x = 97,133.51

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1.5x scale

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.