Home / 158,889.47-219,271.23-86,295.08

Finding the Fourth Proportional to 158,889.47, 219,271.23 and 86,295.08

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Solution

The fourth proportional to 158,889.47, 219,271.23 and 86,295.08 is: 119,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,889.47 : 219,271.23 = 86,295.08 : x
  2. Step 2: Convert to fraction form
    158,889.47/219,271.23 = 86,295.08/x
  3. Step 3: Cross multiply
    158,889.47x = 219,271.23 × 86,295.08
  4. Step 4: Simplify right side
    158,889.47x = 18,922,028,882.73
  5. Step 5: Solve for x
    x = 18,922,028,882.73/158,889.47
  6. Step 6: Final answer
    x = 119,089.26

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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.