Home / 202,303.07-279,272.72-117,403.73

Finding the Fourth Proportional to 202,303.07, 279,272.72 and 117,403.73

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Solution

The fourth proportional to 202,303.07, 279,272.72 and 117,403.73 is: 162,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,303.07 : 279,272.72 = 117,403.73 : x
  2. Step 2: Convert to fraction form
    202,303.07/279,272.72 = 117,403.73/x
  3. Step 3: Cross multiply
    202,303.07x = 279,272.72 × 117,403.73
  4. Step 4: Simplify right side
    202,303.07x = 32,787,658,428.23
  5. Step 5: Solve for x
    x = 32,787,658,428.23/202,303.07
  6. Step 6: Final answer
    x = 162,071.98

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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.