Home / 112,312.19-168,615.41-75,111.32

Finding the Fourth Proportional to 112,312.19, 168,615.41 and 75,111.32

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Solution

The fourth proportional to 112,312.19, 168,615.41 and 75,111.32 is: 112,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,312.19 : 168,615.41 = 75,111.32 : x
  2. Step 2: Convert to fraction form
    112,312.19/168,615.41 = 75,111.32/x
  3. Step 3: Cross multiply
    112,312.19x = 168,615.41 × 75,111.32
  4. Step 4: Simplify right side
    112,312.19x = 12,664,926,063.42
  5. Step 5: Solve for x
    x = 12,664,926,063.42/112,312.19
  6. Step 6: Final answer
    x = 112,765.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.