Home / 131,471.26-181,430.27-71,041.89

Finding the Fourth Proportional to 131,471.26, 181,430.27 and 71,041.89

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Solution

The fourth proportional to 131,471.26, 181,430.27 and 71,041.89 is: 98,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,471.26 : 181,430.27 = 71,041.89 : x
  2. Step 2: Convert to fraction form
    131,471.26/181,430.27 = 71,041.89/x
  3. Step 3: Cross multiply
    131,471.26x = 181,430.27 × 71,041.89
  4. Step 4: Simplify right side
    131,471.26x = 12,889,149,555.50
  5. Step 5: Solve for x
    x = 12,889,149,555.50/131,471.26
  6. Step 6: Final answer
    x = 98,037.77

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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.