Home / 134,714.58-185,901.90-74,287.80

Finding the Fourth Proportional to 134,714.58, 185,901.90 and 74,287.80

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Solution

The fourth proportional to 134,714.58, 185,901.90 and 74,287.80 is: 102,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,714.58 : 185,901.90 = 74,287.80 : x
  2. Step 2: Convert to fraction form
    134,714.58/185,901.90 = 74,287.80/x
  3. Step 3: Cross multiply
    134,714.58x = 185,901.90 × 74,287.80
  4. Step 4: Simplify right side
    134,714.58x = 13,810,243,166.82
  5. Step 5: Solve for x
    x = 13,810,243,166.82/134,714.58
  6. Step 6: Final answer
    x = 102,514.84

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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.