Home / 112,041.84-168,059.36-45,480.36

Finding the Fourth Proportional to 112,041.84, 168,059.36 and 45,480.36

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Solution

The fourth proportional to 112,041.84, 168,059.36 and 45,480.36 is: 68,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,041.84 : 168,059.36 = 45,480.36 : x
  2. Step 2: Convert to fraction form
    112,041.84/168,059.36 = 45,480.36/x
  3. Step 3: Cross multiply
    112,041.84x = 168,059.36 × 45,480.36
  4. Step 4: Simplify right side
    112,041.84x = 7,643,400,194.17
  5. Step 5: Solve for x
    x = 7,643,400,194.17/112,041.84
  6. Step 6: Final answer
    x = 68,219.16

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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.