Home / 112,985.38-155,919.04-62,684.38

Finding the Fourth Proportional to 112,985.38, 155,919.04 and 62,684.38

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Solution

The fourth proportional to 112,985.38, 155,919.04 and 62,684.38 is: 86,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,985.38 : 155,919.04 = 62,684.38 : x
  2. Step 2: Convert to fraction form
    112,985.38/155,919.04 = 62,684.38/x
  3. Step 3: Cross multiply
    112,985.38x = 155,919.04 × 62,684.38
  4. Step 4: Simplify right side
    112,985.38x = 9,773,688,352.60
  5. Step 5: Solve for x
    x = 9,773,688,352.60/112,985.38
  6. Step 6: Final answer
    x = 86,504.01

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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.