Home / 104,814.24-144,646.26-57,070.21

Finding the Fourth Proportional to 104,814.24, 144,646.26 and 57,070.21

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Solution

The fourth proportional to 104,814.24, 144,646.26 and 57,070.21 is: 78,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,814.24 : 144,646.26 = 57,070.21 : x
  2. Step 2: Convert to fraction form
    104,814.24/144,646.26 = 57,070.21/x
  3. Step 3: Cross multiply
    104,814.24x = 144,646.26 × 57,070.21
  4. Step 4: Simplify right side
    104,814.24x = 8,254,992,433.91
  5. Step 5: Solve for x
    x = 8,254,992,433.91/104,814.24
  6. Step 6: Final answer
    x = 78,758.31

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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.