Home / 109,424.93-164,137.41-84,501.34

Finding the Fourth Proportional to 109,424.93, 164,137.41 and 84,501.34

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Solution

The fourth proportional to 109,424.93, 164,137.41 and 84,501.34 is: 126,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,424.93 : 164,137.41 = 84,501.34 : x
  2. Step 2: Convert to fraction form
    109,424.93/164,137.41 = 84,501.34/x
  3. Step 3: Cross multiply
    109,424.93x = 164,137.41 × 84,501.34
  4. Step 4: Simplify right side
    109,424.93x = 13,869,830,678.79
  5. Step 5: Solve for x
    x = 13,869,830,678.79/109,424.93
  6. Step 6: Final answer
    x = 126,752.01

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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.