Home / 130,038.42-195,113.97-45,858.74

Finding the Fourth Proportional to 130,038.42, 195,113.97 and 45,858.74

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Solution

The fourth proportional to 130,038.42, 195,113.97 and 45,858.74 is: 68,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,038.42 : 195,113.97 = 45,858.74 : x
  2. Step 2: Convert to fraction form
    130,038.42/195,113.97 = 45,858.74/x
  3. Step 3: Cross multiply
    130,038.42x = 195,113.97 × 45,858.74
  4. Step 4: Simplify right side
    130,038.42x = 8,947,679,845.03
  5. Step 5: Solve for x
    x = 8,947,679,845.03/130,038.42
  6. Step 6: Final answer
    x = 68,807.97

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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.