Home / 190,209.90-262,444.60-112,646.38

Finding the Fourth Proportional to 190,209.90, 262,444.60 and 112,646.38

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Solution

The fourth proportional to 190,209.90, 262,444.60 and 112,646.38 is: 155,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.90 : 262,444.60 = 112,646.38 : x
  2. Step 2: Convert to fraction form
    190,209.90/262,444.60 = 112,646.38/x
  3. Step 3: Cross multiply
    190,209.90x = 262,444.60 × 112,646.38
  4. Step 4: Simplify right side
    190,209.90x = 29,563,434,140.55
  5. Step 5: Solve for x
    x = 29,563,434,140.55/190,209.90
  6. Step 6: Final answer
    x = 155,425.32

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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.