Home / 130,014.60-195,021.90-79,932.30

Finding the Fourth Proportional to 130,014.60, 195,021.90 and 79,932.30

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Solution

The fourth proportional to 130,014.60, 195,021.90 and 79,932.30 is: 119,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,014.60 : 195,021.90 = 79,932.30 : x
  2. Step 2: Convert to fraction form
    130,014.60/195,021.90 = 79,932.30/x
  3. Step 3: Cross multiply
    130,014.60x = 195,021.90 × 79,932.30
  4. Step 4: Simplify right side
    130,014.60x = 15,588,549,017.37
  5. Step 5: Solve for x
    x = 15,588,549,017.37/130,014.60
  6. Step 6: Final answer
    x = 119,898.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.