Home / 207,931.25-286,945.43-112,437.95

Finding the Fourth Proportional to 207,931.25, 286,945.43 and 112,437.95

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Solution

The fourth proportional to 207,931.25, 286,945.43 and 112,437.95 is: 155,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,931.25 : 286,945.43 = 112,437.95 : x
  2. Step 2: Convert to fraction form
    207,931.25/286,945.43 = 112,437.95/x
  3. Step 3: Cross multiply
    207,931.25x = 286,945.43 × 112,437.95
  4. Step 4: Simplify right side
    207,931.25x = 32,263,555,911.07
  5. Step 5: Solve for x
    x = 32,263,555,911.07/207,931.25
  6. Step 6: Final answer
    x = 155,164.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.