Home / 181,985.10-272,977.65-115,500.30

Finding the Fourth Proportional to 181,985.10, 272,977.65 and 115,500.30

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Solution

The fourth proportional to 181,985.10, 272,977.65 and 115,500.30 is: 173,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,985.10 : 272,977.65 = 115,500.30 : x
  2. Step 2: Convert to fraction form
    181,985.10/272,977.65 = 115,500.30/x
  3. Step 3: Cross multiply
    181,985.10x = 272,977.65 × 115,500.30
  4. Step 4: Simplify right side
    181,985.10x = 31,529,000,468.30
  5. Step 5: Solve for x
    x = 31,529,000,468.30/181,985.10
  6. Step 6: Final answer
    x = 173,250.45

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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.