Home / 130,898.80-196,445.40-52,069.60

Finding the Fourth Proportional to 130,898.80, 196,445.40 and 52,069.60

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Solution

The fourth proportional to 130,898.80, 196,445.40 and 52,069.60 is: 78,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,898.80 : 196,445.40 = 52,069.60 : x
  2. Step 2: Convert to fraction form
    130,898.80/196,445.40 = 52,069.60/x
  3. Step 3: Cross multiply
    130,898.80x = 196,445.40 × 52,069.60
  4. Step 4: Simplify right side
    130,898.80x = 10,228,833,399.84
  5. Step 5: Solve for x
    x = 10,228,833,399.84/130,898.80
  6. Step 6: Final answer
    x = 78,143.06

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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.