Home / 248,333.10-342,697.95-135,155.58

Finding the Fourth Proportional to 248,333.10, 342,697.95 and 135,155.58

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Solution

The fourth proportional to 248,333.10, 342,697.95 and 135,155.58 is: 186,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,333.10 : 342,697.95 = 135,155.58 : x
  2. Step 2: Convert to fraction form
    248,333.10/342,697.95 = 135,155.58/x
  3. Step 3: Cross multiply
    248,333.10x = 342,697.95 × 135,155.58
  4. Step 4: Simplify right side
    248,333.10x = 46,317,540,197.06
  5. Step 5: Solve for x
    x = 46,317,540,197.06/248,333.10
  6. Step 6: Final answer
    x = 186,513.76

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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.