Home / 196,495.20-294,159.60-130,010.40

Finding the Fourth Proportional to 196,495.20, 294,159.60 and 130,010.40

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Solution

The fourth proportional to 196,495.20, 294,159.60 and 130,010.40 is: 194,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,495.20 : 294,159.60 = 130,010.40 : x
  2. Step 2: Convert to fraction form
    196,495.20/294,159.60 = 130,010.40/x
  3. Step 3: Cross multiply
    196,495.20x = 294,159.60 × 130,010.40
  4. Step 4: Simplify right side
    196,495.20x = 38,243,807,259.84
  5. Step 5: Solve for x
    x = 38,243,807,259.84/196,495.20
  6. Step 6: Final answer
    x = 194,629.73

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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.