Home / 112,533.44-155,335.26-64,805.80

Finding the Fourth Proportional to 112,533.44, 155,335.26 and 64,805.80

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Solution

The fourth proportional to 112,533.44, 155,335.26 and 64,805.80 is: 89,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.44 : 155,335.26 = 64,805.80 : x
  2. Step 2: Convert to fraction form
    112,533.44/155,335.26 = 64,805.80/x
  3. Step 3: Cross multiply
    112,533.44x = 155,335.26 × 64,805.80
  4. Step 4: Simplify right side
    112,533.44x = 10,066,625,792.51
  5. Step 5: Solve for x
    x = 10,066,625,792.51/112,533.44
  6. Step 6: Final answer
    x = 89,454.53

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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.