Home / 130,234.60-195,416.70-74,117.80

Finding the Fourth Proportional to 130,234.60, 195,416.70 and 74,117.80

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Solution

The fourth proportional to 130,234.60, 195,416.70 and 74,117.80 is: 111,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,234.60 : 195,416.70 = 74,117.80 : x
  2. Step 2: Convert to fraction form
    130,234.60/195,416.70 = 74,117.80/x
  3. Step 3: Cross multiply
    130,234.60x = 195,416.70 × 74,117.80
  4. Step 4: Simplify right side
    130,234.60x = 14,483,855,887.26
  5. Step 5: Solve for x
    x = 14,483,855,887.26/130,234.60
  6. Step 6: Final answer
    x = 111,213.58

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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.