Home / 171,639.48-236,885.67-100,041.96

Finding the Fourth Proportional to 171,639.48, 236,885.67 and 100,041.96

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Solution

The fourth proportional to 171,639.48, 236,885.67 and 100,041.96 is: 138,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,639.48 : 236,885.67 = 100,041.96 : x
  2. Step 2: Convert to fraction form
    171,639.48/236,885.67 = 100,041.96/x
  3. Step 3: Cross multiply
    171,639.48x = 236,885.67 × 100,041.96
  4. Step 4: Simplify right side
    171,639.48x = 23,698,506,722.71
  5. Step 5: Solve for x
    x = 23,698,506,722.71/171,639.48
  6. Step 6: Final answer
    x = 138,071.42

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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.