Home / 130,244.27-179,697.42-72,877.64

Finding the Fourth Proportional to 130,244.27, 179,697.42 and 72,877.64

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Solution

The fourth proportional to 130,244.27, 179,697.42 and 72,877.64 is: 100,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,244.27 : 179,697.42 = 72,877.64 : x
  2. Step 2: Convert to fraction form
    130,244.27/179,697.42 = 72,877.64/x
  3. Step 3: Cross multiply
    130,244.27x = 179,697.42 × 72,877.64
  4. Step 4: Simplify right side
    130,244.27x = 13,095,922,985.20
  5. Step 5: Solve for x
    x = 13,095,922,985.20/130,244.27
  6. Step 6: Final answer
    x = 100,548.94

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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.