Home / 130,927.98-180,697.47-79,930.02

Finding the Fourth Proportional to 130,927.98, 180,697.47 and 79,930.02

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Solution

The fourth proportional to 130,927.98, 180,697.47 and 79,930.02 is: 110,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,927.98 : 180,697.47 = 79,930.02 : x
  2. Step 2: Convert to fraction form
    130,927.98/180,697.47 = 79,930.02/x
  3. Step 3: Cross multiply
    130,927.98x = 180,697.47 × 79,930.02
  4. Step 4: Simplify right side
    130,927.98x = 14,443,152,391.05
  5. Step 5: Solve for x
    x = 14,443,152,391.05/130,927.98
  6. Step 6: Final answer
    x = 110,313.72

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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.