Home / 118,830.90-177,325.02-106,211.91

Finding the Fourth Proportional to 118,830.90, 177,325.02 and 106,211.91

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Solution

The fourth proportional to 118,830.90, 177,325.02 and 106,211.91 is: 158,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,830.90 : 177,325.02 = 106,211.91 : x
  2. Step 2: Convert to fraction form
    118,830.90/177,325.02 = 106,211.91/x
  3. Step 3: Cross multiply
    118,830.90x = 177,325.02 × 106,211.91
  4. Step 4: Simplify right side
    118,830.90x = 18,834,029,064.99
  5. Step 5: Solve for x
    x = 18,834,029,064.99/118,830.90
  6. Step 6: Final answer
    x = 158,494.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.