Home / 445,658.36-668,547.07-130,110.71

Finding the Fourth Proportional to 445,658.36, 668,547.07 and 130,110.71

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Solution

The fourth proportional to 445,658.36, 668,547.07 and 130,110.71 is: 195,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,658.36 : 668,547.07 = 130,110.71 : x
  2. Step 2: Convert to fraction form
    445,658.36/668,547.07 = 130,110.71/x
  3. Step 3: Cross multiply
    445,658.36x = 668,547.07 × 130,110.71
  4. Step 4: Simplify right side
    445,658.36x = 86,985,130,278.11
  5. Step 5: Solve for x
    x = 86,985,130,278.11/445,658.36
  6. Step 6: Final answer
    x = 195,183.44

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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.