Home / 122,358.42-168,675.87-86,485.14

Finding the Fourth Proportional to 122,358.42, 168,675.87 and 86,485.14

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Solution

The fourth proportional to 122,358.42, 168,675.87 and 86,485.14 is: 119,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,358.42 : 168,675.87 = 86,485.14 : x
  2. Step 2: Convert to fraction form
    122,358.42/168,675.87 = 86,485.14/x
  3. Step 3: Cross multiply
    122,358.42x = 168,675.87 × 86,485.14
  4. Step 4: Simplify right side
    122,358.42x = 14,587,956,231.57
  5. Step 5: Solve for x
    x = 14,587,956,231.57/122,358.42
  6. Step 6: Final answer
    x = 119,223.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.