Home / 170,014.30-254,632.65-86,811.10

Finding the Fourth Proportional to 170,014.30, 254,632.65 and 86,811.10

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Solution

The fourth proportional to 170,014.30, 254,632.65 and 86,811.10 is: 130,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,014.30 : 254,632.65 = 86,811.10 : x
  2. Step 2: Convert to fraction form
    170,014.30/254,632.65 = 86,811.10/x
  3. Step 3: Cross multiply
    170,014.30x = 254,632.65 × 86,811.10
  4. Step 4: Simplify right side
    170,014.30x = 22,104,940,442.42
  5. Step 5: Solve for x
    x = 22,104,940,442.42/170,014.30
  6. Step 6: Final answer
    x = 130,018.12

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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.