Home / 104,041.50-143,576.24-56,293.80

Finding the Fourth Proportional to 104,041.50, 143,576.24 and 56,293.80

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Solution

The fourth proportional to 104,041.50, 143,576.24 and 56,293.80 is: 77,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,041.50 : 143,576.24 = 56,293.80 : x
  2. Step 2: Convert to fraction form
    104,041.50/143,576.24 = 56,293.80/x
  3. Step 3: Cross multiply
    104,041.50x = 143,576.24 × 56,293.80
  4. Step 4: Simplify right side
    104,041.50x = 8,082,452,139.31
  5. Step 5: Solve for x
    x = 8,082,452,139.31/104,041.50
  6. Step 6: Final answer
    x = 77,684.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.