Home / 104,699.08-144,407.37-66,425.68

Finding the Fourth Proportional to 104,699.08, 144,407.37 and 66,425.68

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Solution

The fourth proportional to 104,699.08, 144,407.37 and 66,425.68 is: 91,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,699.08 : 144,407.37 = 66,425.68 : x
  2. Step 2: Convert to fraction form
    104,699.08/144,407.37 = 66,425.68/x
  3. Step 3: Cross multiply
    104,699.08x = 144,407.37 × 66,425.68
  4. Step 4: Simplify right side
    104,699.08x = 9,592,357,749.26
  5. Step 5: Solve for x
    x = 9,592,357,749.26/104,699.08
  6. Step 6: Final answer
    x = 91,618.36

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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.