Home / 112,256.60-168,238.64-45,618.84

Finding the Fourth Proportional to 112,256.60, 168,238.64 and 45,618.84

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Solution

The fourth proportional to 112,256.60, 168,238.64 and 45,618.84 is: 68,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,256.60 : 168,238.64 = 45,618.84 : x
  2. Step 2: Convert to fraction form
    112,256.60/168,238.64 = 45,618.84/x
  3. Step 3: Cross multiply
    112,256.60x = 168,238.64 × 45,618.84
  4. Step 4: Simplify right side
    112,256.60x = 7,674,851,599.98
  5. Step 5: Solve for x
    x = 7,674,851,599.98/112,256.60
  6. Step 6: Final answer
    x = 68,368.82

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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.