Home / 122,129.42-168,547.94-76,846.22

Finding the Fourth Proportional to 122,129.42, 168,547.94 and 76,846.22

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Solution

The fourth proportional to 122,129.42, 168,547.94 and 76,846.22 is: 106,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,129.42 : 168,547.94 = 76,846.22 : x
  2. Step 2: Convert to fraction form
    122,129.42/168,547.94 = 76,846.22/x
  3. Step 3: Cross multiply
    122,129.42x = 168,547.94 × 76,846.22
  4. Step 4: Simplify right side
    122,129.42x = 12,952,271,771.04
  5. Step 5: Solve for x
    x = 12,952,271,771.04/122,129.42
  6. Step 6: Final answer
    x = 106,053.66

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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.