Home / 131,887.48-182,004.06-71,457.70

Finding the Fourth Proportional to 131,887.48, 182,004.06 and 71,457.70

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Solution

The fourth proportional to 131,887.48, 182,004.06 and 71,457.70 is: 98,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,887.48 : 182,004.06 = 71,457.70 : x
  2. Step 2: Convert to fraction form
    131,887.48/182,004.06 = 71,457.70/x
  3. Step 3: Cross multiply
    131,887.48x = 182,004.06 × 71,457.70
  4. Step 4: Simplify right side
    131,887.48x = 13,005,591,518.26
  5. Step 5: Solve for x
    x = 13,005,591,518.26/131,887.48
  6. Step 6: Final answer
    x = 98,611.27

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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.