Home / 150,271.78-207,374.73-86,609.14

Finding the Fourth Proportional to 150,271.78, 207,374.73 and 86,609.14

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Solution

The fourth proportional to 150,271.78, 207,374.73 and 86,609.14 is: 119,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,271.78 : 207,374.73 = 86,609.14 : x
  2. Step 2: Convert to fraction form
    150,271.78/207,374.73 = 86,609.14/x
  3. Step 3: Cross multiply
    150,271.78x = 207,374.73 × 86,609.14
  4. Step 4: Simplify right side
    150,271.78x = 17,960,547,023.03
  5. Step 5: Solve for x
    x = 17,960,547,023.03/150,271.78
  6. Step 6: Final answer
    x = 119,520.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.