Home / 207,193.02-310,782.24-66,948

Finding the Fourth Proportional to 207,193.02, 310,782.24 and 66,948

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Solution

The fourth proportional to 207,193.02, 310,782.24 and 66,948 is: 100,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,193.02 : 310,782.24 = 66,948 : x
  2. Step 2: Convert to fraction form
    207,193.02/310,782.24 = 66,948/x
  3. Step 3: Cross multiply
    207,193.02x = 310,782.24 × 66,948
  4. Step 4: Simplify right side
    207,193.02x = 20,806,249,403.52
  5. Step 5: Solve for x
    x = 20,806,249,403.52/207,193.02
  6. Step 6: Final answer
    x = 100,419.64

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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.