Home / 86,926.02-130,168.46-72,849.02

Finding the Fourth Proportional to 86,926.02, 130,168.46 and 72,849.02

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Solution

The fourth proportional to 86,926.02, 130,168.46 and 72,849.02 is: 109,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,926.02 : 130,168.46 = 72,849.02 : x
  2. Step 2: Convert to fraction form
    86,926.02/130,168.46 = 72,849.02/x
  3. Step 3: Cross multiply
    86,926.02x = 130,168.46 × 72,849.02
  4. Step 4: Simplify right side
    86,926.02x = 9,482,644,745.91
  5. Step 5: Solve for x
    x = 9,482,644,745.91/86,926.02
  6. Step 6: Final answer
    x = 109,088.68

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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.