Home / 105,221.98-145,200.45-59,911.03

Finding the Fourth Proportional to 105,221.98, 145,200.45 and 59,911.03

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Solution

The fourth proportional to 105,221.98, 145,200.45 and 59,911.03 is: 82,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,221.98 : 145,200.45 = 59,911.03 : x
  2. Step 2: Convert to fraction form
    105,221.98/145,200.45 = 59,911.03/x
  3. Step 3: Cross multiply
    105,221.98x = 145,200.45 × 59,911.03
  4. Step 4: Simplify right side
    105,221.98x = 8,699,108,515.96
  5. Step 5: Solve for x
    x = 8,699,108,515.96/105,221.98
  6. Step 6: Final answer
    x = 82,673.87

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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.