Home / 112,941.02-155,860.18-61,958.36

Finding the Fourth Proportional to 112,941.02, 155,860.18 and 61,958.36

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Solution

The fourth proportional to 112,941.02, 155,860.18 and 61,958.36 is: 85,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,941.02 : 155,860.18 = 61,958.36 : x
  2. Step 2: Convert to fraction form
    112,941.02/155,860.18 = 61,958.36/x
  3. Step 3: Cross multiply
    112,941.02x = 155,860.18 × 61,958.36
  4. Step 4: Simplify right side
    112,941.02x = 9,656,841,142.10
  5. Step 5: Solve for x
    x = 9,656,841,142.10/112,941.02
  6. Step 6: Final answer
    x = 85,503.40

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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.