Home / 112,203.46-168,304.72-45,643.03

Finding the Fourth Proportional to 112,203.46, 168,304.72 and 45,643.03

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Solution

The fourth proportional to 112,203.46, 168,304.72 and 45,643.03 is: 68,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,203.46 : 168,304.72 = 45,643.03 : x
  2. Step 2: Convert to fraction form
    112,203.46/168,304.72 = 45,643.03/x
  3. Step 3: Cross multiply
    112,203.46x = 168,304.72 × 45,643.03
  4. Step 4: Simplify right side
    112,203.46x = 7,681,937,384.10
  5. Step 5: Solve for x
    x = 7,681,937,384.10/112,203.46
  6. Step 6: Final answer
    x = 68,464.35

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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.