Home / 101,453.34-140,010.72-58,439.36

Finding the Fourth Proportional to 101,453.34, 140,010.72 and 58,439.36

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Solution

The fourth proportional to 101,453.34, 140,010.72 and 58,439.36 is: 80,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,453.34 : 140,010.72 = 58,439.36 : x
  2. Step 2: Convert to fraction form
    101,453.34/140,010.72 = 58,439.36/x
  3. Step 3: Cross multiply
    101,453.34x = 140,010.72 × 58,439.36
  4. Step 4: Simplify right side
    101,453.34x = 8,182,136,869.94
  5. Step 5: Solve for x
    x = 8,182,136,869.94/101,453.34
  6. Step 6: Final answer
    x = 80,649.26

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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.