Home / 135,822.24-187,457.13-75,412.26

Finding the Fourth Proportional to 135,822.24, 187,457.13 and 75,412.26

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Solution

The fourth proportional to 135,822.24, 187,457.13 and 75,412.26 is: 104,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,822.24 : 187,457.13 = 75,412.26 : x
  2. Step 2: Convert to fraction form
    135,822.24/187,457.13 = 75,412.26/x
  3. Step 3: Cross multiply
    135,822.24x = 187,457.13 × 75,412.26
  4. Step 4: Simplify right side
    135,822.24x = 14,136,565,826.41
  5. Step 5: Solve for x
    x = 14,136,565,826.41/135,822.24
  6. Step 6: Final answer
    x = 104,081.38

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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.