Home / 130,903.36-196,344.07-51,996.40

Finding the Fourth Proportional to 130,903.36, 196,344.07 and 51,996.40

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Solution

The fourth proportional to 130,903.36, 196,344.07 and 51,996.40 is: 77,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,903.36 : 196,344.07 = 51,996.40 : x
  2. Step 2: Convert to fraction form
    130,903.36/196,344.07 = 51,996.40/x
  3. Step 3: Cross multiply
    130,903.36x = 196,344.07 × 51,996.40
  4. Step 4: Simplify right side
    130,903.36x = 10,209,184,180.50
  5. Step 5: Solve for x
    x = 10,209,184,180.50/130,903.36
  6. Step 6: Final answer
    x = 77,990.24

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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.