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Finding the Fourth Proportional to 105,027.58, 144,932.28 and 59,699.26

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Solution

The fourth proportional to 105,027.58, 144,932.28 and 59,699.26 is: 82,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,027.58 : 144,932.28 = 59,699.26 : x
  2. Step 2: Convert to fraction form
    105,027.58/144,932.28 = 59,699.26/x
  3. Step 3: Cross multiply
    105,027.58x = 144,932.28 × 59,699.26
  4. Step 4: Simplify right side
    105,027.58x = 8,652,349,866.11
  5. Step 5: Solve for x
    x = 8,652,349,866.11/105,027.58
  6. Step 6: Final answer
    x = 82,381.69

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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.