Home / 112,685.58-155,482.74-64,926.36

Finding the Fourth Proportional to 112,685.58, 155,482.74 and 64,926.36

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Solution

The fourth proportional to 112,685.58, 155,482.74 and 64,926.36 is: 89,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,685.58 : 155,482.74 = 64,926.36 : x
  2. Step 2: Convert to fraction form
    112,685.58/155,482.74 = 64,926.36/x
  3. Step 3: Cross multiply
    112,685.58x = 155,482.74 × 64,926.36
  4. Step 4: Simplify right side
    112,685.58x = 10,094,928,351.03
  5. Step 5: Solve for x
    x = 10,094,928,351.03/112,685.58
  6. Step 6: Final answer
    x = 89,584.92

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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.