Home / 112,843.60-155,777.16-70,464.40

Finding the Fourth Proportional to 112,843.60, 155,777.16 and 70,464.40

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Solution

The fourth proportional to 112,843.60, 155,777.16 and 70,464.40 is: 97,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,843.60 : 155,777.16 = 70,464.40 : x
  2. Step 2: Convert to fraction form
    112,843.60/155,777.16 = 70,464.40/x
  3. Step 3: Cross multiply
    112,843.60x = 155,777.16 × 70,464.40
  4. Step 4: Simplify right side
    112,843.60x = 10,976,744,113.10
  5. Step 5: Solve for x
    x = 10,976,744,113.10/112,843.60
  6. Step 6: Final answer
    x = 97,273.96

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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.