Home / 181,639.90-272,460.02-86,847.80

Finding the Fourth Proportional to 181,639.90, 272,460.02 and 86,847.80

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Solution

The fourth proportional to 181,639.90, 272,460.02 and 86,847.80 is: 130,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,639.90 : 272,460.02 = 86,847.80 : x
  2. Step 2: Convert to fraction form
    181,639.90/272,460.02 = 86,847.80/x
  3. Step 3: Cross multiply
    181,639.90x = 272,460.02 × 86,847.80
  4. Step 4: Simplify right side
    181,639.90x = 23,662,552,016.94
  5. Step 5: Solve for x
    x = 23,662,552,016.94/181,639.90
  6. Step 6: Final answer
    x = 130,271.77

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1.5x scale

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.