Home / 155,377.02-214,426.80-91,714.80

Finding the Fourth Proportional to 155,377.02, 214,426.80 and 91,714.80

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Solution

The fourth proportional to 155,377.02, 214,426.80 and 91,714.80 is: 126,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,377.02 : 214,426.80 = 91,714.80 : x
  2. Step 2: Convert to fraction form
    155,377.02/214,426.80 = 91,714.80/x
  3. Step 3: Cross multiply
    155,377.02x = 214,426.80 × 91,714.80
  4. Step 4: Simplify right side
    155,377.02x = 19,666,111,076.64
  5. Step 5: Solve for x
    x = 19,666,111,076.64/155,377.02
  6. Step 6: Final answer
    x = 126,570.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.