Home / 130,970.54-196,457.04-52,104.89

Finding the Fourth Proportional to 130,970.54, 196,457.04 and 52,104.89

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Solution

The fourth proportional to 130,970.54, 196,457.04 and 52,104.89 is: 78,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,970.54 : 196,457.04 = 52,104.89 : x
  2. Step 2: Convert to fraction form
    130,970.54/196,457.04 = 52,104.89/x
  3. Step 3: Cross multiply
    130,970.54x = 196,457.04 × 52,104.89
  4. Step 4: Simplify right side
    130,970.54x = 10,236,372,950.07
  5. Step 5: Solve for x
    x = 10,236,372,950.07/130,970.54
  6. Step 6: Final answer
    x = 78,157.83

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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.