Home / 112,585.44-155,374.80-64,837.92

Finding the Fourth Proportional to 112,585.44, 155,374.80 and 64,837.92

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Solution

The fourth proportional to 112,585.44, 155,374.80 and 64,837.92 is: 89,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,585.44 : 155,374.80 = 64,837.92 : x
  2. Step 2: Convert to fraction form
    112,585.44/155,374.80 = 64,837.92/x
  3. Step 3: Cross multiply
    112,585.44x = 155,374.80 × 64,837.92
  4. Step 4: Simplify right side
    112,585.44x = 10,074,178,852.42
  5. Step 5: Solve for x
    x = 10,074,178,852.42/112,585.44
  6. Step 6: Final answer
    x = 89,480.30

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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.