Home / 112,039.10-168,054.60-45,477.35

Finding the Fourth Proportional to 112,039.10, 168,054.60 and 45,477.35

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Solution

The fourth proportional to 112,039.10, 168,054.60 and 45,477.35 is: 68,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,039.10 : 168,054.60 = 45,477.35 : x
  2. Step 2: Convert to fraction form
    112,039.10/168,054.60 = 45,477.35/x
  3. Step 3: Cross multiply
    112,039.10x = 168,054.60 × 45,477.35
  4. Step 4: Simplify right side
    112,039.10x = 7,642,677,863.31
  5. Step 5: Solve for x
    x = 7,642,677,863.31/112,039.10
  6. Step 6: Final answer
    x = 68,214.38

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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.