Home / 201,501.29-278,071.76-110,855.30

Finding the Fourth Proportional to 201,501.29, 278,071.76 and 110,855.30

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Solution

The fourth proportional to 201,501.29, 278,071.76 and 110,855.30 is: 152,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,501.29 : 278,071.76 = 110,855.30 : x
  2. Step 2: Convert to fraction form
    201,501.29/278,071.76 = 110,855.30/x
  3. Step 3: Cross multiply
    201,501.29x = 278,071.76 × 110,855.30
  4. Step 4: Simplify right side
    201,501.29x = 30,825,727,263.11
  5. Step 5: Solve for x
    x = 30,825,727,263.11/201,501.29
  6. Step 6: Final answer
    x = 152,980.30

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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.