Home / 130,030.10-195,064.54-40,065.29

Finding the Fourth Proportional to 130,030.10, 195,064.54 and 40,065.29

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Solution

The fourth proportional to 130,030.10, 195,064.54 and 40,065.29 is: 60,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,030.10 : 195,064.54 = 40,065.29 : x
  2. Step 2: Convert to fraction form
    130,030.10/195,064.54 = 40,065.29/x
  3. Step 3: Cross multiply
    130,030.10x = 195,064.54 × 40,065.29
  4. Step 4: Simplify right side
    130,030.10x = 7,815,317,363.82
  5. Step 5: Solve for x
    x = 7,815,317,363.82/130,030.10
  6. Step 6: Final answer
    x = 60,103.91

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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.