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Finding the Fourth Proportional to 181,765.40, 272,648.10 and 48,666.20

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Solution

The fourth proportional to 181,765.40, 272,648.10 and 48,666.20 is: 72,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,765.40 : 272,648.10 = 48,666.20 : x
  2. Step 2: Convert to fraction form
    181,765.40/272,648.10 = 48,666.20/x
  3. Step 3: Cross multiply
    181,765.40x = 272,648.10 × 48,666.20
  4. Step 4: Simplify right side
    181,765.40x = 13,268,746,964.22
  5. Step 5: Solve for x
    x = 13,268,746,964.22/181,765.40
  6. Step 6: Final answer
    x = 72,999.30

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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.