Home / 131,544.07-181,530.60-71,114.77

Finding the Fourth Proportional to 131,544.07, 181,530.60 and 71,114.77

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Solution

The fourth proportional to 131,544.07, 181,530.60 and 71,114.77 is: 98,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,544.07 : 181,530.60 = 71,114.77 : x
  2. Step 2: Convert to fraction form
    131,544.07/181,530.60 = 71,114.77/x
  3. Step 3: Cross multiply
    131,544.07x = 181,530.60 × 71,114.77
  4. Step 4: Simplify right side
    131,544.07x = 12,909,506,866.96
  5. Step 5: Solve for x
    x = 12,909,506,866.96/131,544.07
  6. Step 6: Final answer
    x = 98,138.27

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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.