Home / 186,835.76-280,271.04-74,488.76

Finding the Fourth Proportional to 186,835.76, 280,271.04 and 74,488.76

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Solution

The fourth proportional to 186,835.76, 280,271.04 and 74,488.76 is: 111,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,835.76 : 280,271.04 = 74,488.76 : x
  2. Step 2: Convert to fraction form
    186,835.76/280,271.04 = 74,488.76/x
  3. Step 3: Cross multiply
    186,835.76x = 280,271.04 × 74,488.76
  4. Step 4: Simplify right side
    186,835.76x = 20,877,042,233.51
  5. Step 5: Solve for x
    x = 20,877,042,233.51/186,835.76
  6. Step 6: Final answer
    x = 111,740.08

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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.