Home / 216,529.08-298,804.86-121,047

Finding the Fourth Proportional to 216,529.08, 298,804.86 and 121,047

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Solution

The fourth proportional to 216,529.08, 298,804.86 and 121,047 is: 167,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,529.08 : 298,804.86 = 121,047 : x
  2. Step 2: Convert to fraction form
    216,529.08/298,804.86 = 121,047/x
  3. Step 3: Cross multiply
    216,529.08x = 298,804.86 × 121,047
  4. Step 4: Simplify right side
    216,529.08x = 36,169,431,888.42
  5. Step 5: Solve for x
    x = 36,169,431,888.42/216,529.08
  6. Step 6: Final answer
    x = 167,041.91

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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.