Home / 118,730.22-177,940.26-90,547.08

Finding the Fourth Proportional to 118,730.22, 177,940.26 and 90,547.08

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Solution

The fourth proportional to 118,730.22, 177,940.26 and 90,547.08 is: 135,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,730.22 : 177,940.26 = 90,547.08 : x
  2. Step 2: Convert to fraction form
    118,730.22/177,940.26 = 90,547.08/x
  3. Step 3: Cross multiply
    118,730.22x = 177,940.26 × 90,547.08
  4. Step 4: Simplify right side
    118,730.22x = 16,111,970,957.44
  5. Step 5: Solve for x
    x = 16,111,970,957.44/118,730.22
  6. Step 6: Final answer
    x = 135,702.36

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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.