Home / 130,038.28-195,106.01-51,207.46

Finding the Fourth Proportional to 130,038.28, 195,106.01 and 51,207.46

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Solution

The fourth proportional to 130,038.28, 195,106.01 and 51,207.46 is: 76,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,038.28 : 195,106.01 = 51,207.46 : x
  2. Step 2: Convert to fraction form
    130,038.28/195,106.01 = 51,207.46/x
  3. Step 3: Cross multiply
    130,038.28x = 195,106.01 × 51,207.46
  4. Step 4: Simplify right side
    130,038.28x = 9,990,882,355.32
  5. Step 5: Solve for x
    x = 9,990,882,355.32/130,038.28
  6. Step 6: Final answer
    x = 76,830.32

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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.