Home / 122,830.12-183,949.93-70,079.68

Finding the Fourth Proportional to 122,830.12, 183,949.93 and 70,079.68

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Solution

The fourth proportional to 122,830.12, 183,949.93 and 70,079.68 is: 104,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,830.12 : 183,949.93 = 70,079.68 : x
  2. Step 2: Convert to fraction form
    122,830.12/183,949.93 = 70,079.68/x
  3. Step 3: Cross multiply
    122,830.12x = 183,949.93 × 70,079.68
  4. Step 4: Simplify right side
    122,830.12x = 12,891,151,595.35
  5. Step 5: Solve for x
    x = 12,891,151,595.35/122,830.12
  6. Step 6: Final answer
    x = 104,951.06

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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.