Home / 151,632.64-209,341.44-100,714.24

Finding the Fourth Proportional to 151,632.64, 209,341.44 and 100,714.24

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Solution

The fourth proportional to 151,632.64, 209,341.44 and 100,714.24 is: 139,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,632.64 : 209,341.44 = 100,714.24 : x
  2. Step 2: Convert to fraction form
    151,632.64/209,341.44 = 100,714.24/x
  3. Step 3: Cross multiply
    151,632.64x = 209,341.44 × 100,714.24
  4. Step 4: Simplify right side
    151,632.64x = 21,083,664,030.11
  5. Step 5: Solve for x
    x = 21,083,664,030.11/151,632.64
  6. Step 6: Final answer
    x = 139,044.36

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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.