Home / 112,622.40-155,418.93-70,181.10

Finding the Fourth Proportional to 112,622.40, 155,418.93 and 70,181.10

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Solution

The fourth proportional to 112,622.40, 155,418.93 and 70,181.10 is: 96,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,622.40 : 155,418.93 = 70,181.10 : x
  2. Step 2: Convert to fraction form
    112,622.40/155,418.93 = 70,181.10/x
  3. Step 3: Cross multiply
    112,622.40x = 155,418.93 × 70,181.10
  4. Step 4: Simplify right side
    112,622.40x = 10,907,471,468.22
  5. Step 5: Solve for x
    x = 10,907,471,468.22/112,622.40
  6. Step 6: Final answer
    x = 96,849.93

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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.