Home / 118,020.20-177,030.30-112,188.20

Finding the Fourth Proportional to 118,020.20, 177,030.30 and 112,188.20

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Solution

The fourth proportional to 118,020.20, 177,030.30 and 112,188.20 is: 168,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,020.20 : 177,030.30 = 112,188.20 : x
  2. Step 2: Convert to fraction form
    118,020.20/177,030.30 = 112,188.20/x
  3. Step 3: Cross multiply
    118,020.20x = 177,030.30 × 112,188.20
  4. Step 4: Simplify right side
    118,020.20x = 19,860,710,702.46
  5. Step 5: Solve for x
    x = 19,860,710,702.46/118,020.20
  6. Step 6: Final answer
    x = 168,282.30

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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.