Home / 82,146.51-113,362.19-44,420.76

Finding the Fourth Proportional to 82,146.51, 113,362.19 and 44,420.76

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Solution

The fourth proportional to 82,146.51, 113,362.19 and 44,420.76 is: 61,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,146.51 : 113,362.19 = 44,420.76 : x
  2. Step 2: Convert to fraction form
    82,146.51/113,362.19 = 44,420.76/x
  3. Step 3: Cross multiply
    82,146.51x = 113,362.19 × 44,420.76
  4. Step 4: Simplify right side
    82,146.51x = 5,035,634,412.96
  5. Step 5: Solve for x
    x = 5,035,634,412.96/82,146.51
  6. Step 6: Final answer
    x = 61,300.65

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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.