Home / 156,971.60-235,457.40-112,504.40

Finding the Fourth Proportional to 156,971.60, 235,457.40 and 112,504.40

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Solution

The fourth proportional to 156,971.60, 235,457.40 and 112,504.40 is: 168,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.60 : 235,457.40 = 112,504.40 : x
  2. Step 2: Convert to fraction form
    156,971.60/235,457.40 = 112,504.40/x
  3. Step 3: Cross multiply
    156,971.60x = 235,457.40 × 112,504.40
  4. Step 4: Simplify right side
    156,971.60x = 26,489,993,512.56
  5. Step 5: Solve for x
    x = 26,489,993,512.56/156,971.60
  6. Step 6: Final answer
    x = 168,756.60

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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.