Home / 130,971.60-196,457.40-95,979.60

Finding the Fourth Proportional to 130,971.60, 196,457.40 and 95,979.60

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Solution

The fourth proportional to 130,971.60, 196,457.40 and 95,979.60 is: 143,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,971.60 : 196,457.40 = 95,979.60 : x
  2. Step 2: Convert to fraction form
    130,971.60/196,457.40 = 95,979.60/x
  3. Step 3: Cross multiply
    130,971.60x = 196,457.40 × 95,979.60
  4. Step 4: Simplify right side
    130,971.60x = 18,855,902,669.04
  5. Step 5: Solve for x
    x = 18,855,902,669.04/130,971.60
  6. Step 6: Final answer
    x = 143,969.40

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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.