Home / 155,454.60-233,181.90-118,129.80

Finding the Fourth Proportional to 155,454.60, 233,181.90 and 118,129.80

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Solution

The fourth proportional to 155,454.60, 233,181.90 and 118,129.80 is: 177,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,454.60 : 233,181.90 = 118,129.80 : x
  2. Step 2: Convert to fraction form
    155,454.60/233,181.90 = 118,129.80/x
  3. Step 3: Cross multiply
    155,454.60x = 233,181.90 × 118,129.80
  4. Step 4: Simplify right side
    155,454.60x = 27,545,731,210.62
  5. Step 5: Solve for x
    x = 27,545,731,210.62/155,454.60
  6. Step 6: Final answer
    x = 177,194.70

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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.