Home / 130,416.63-195,492.60-74,140.47

Finding the Fourth Proportional to 130,416.63, 195,492.60 and 74,140.47

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Solution

The fourth proportional to 130,416.63, 195,492.60 and 74,140.47 is: 111,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,416.63 : 195,492.60 = 74,140.47 : x
  2. Step 2: Convert to fraction form
    130,416.63/195,492.60 = 74,140.47/x
  3. Step 3: Cross multiply
    130,416.63x = 195,492.60 × 74,140.47
  4. Step 4: Simplify right side
    130,416.63x = 14,493,913,245.52
  5. Step 5: Solve for x
    x = 14,493,913,245.52/130,416.63
  6. Step 6: Final answer
    x = 111,135.47

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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.