Home / 107,678.04-160,412.06-102,820.34

Finding the Fourth Proportional to 107,678.04, 160,412.06 and 102,820.34

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Solution

The fourth proportional to 107,678.04, 160,412.06 and 102,820.34 is: 153,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,678.04 : 160,412.06 = 102,820.34 : x
  2. Step 2: Convert to fraction form
    107,678.04/160,412.06 = 102,820.34/x
  3. Step 3: Cross multiply
    107,678.04x = 160,412.06 × 102,820.34
  4. Step 4: Simplify right side
    107,678.04x = 16,493,622,677.83
  5. Step 5: Solve for x
    x = 16,493,622,677.83/107,678.04
  6. Step 6: Final answer
    x = 153,175.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.