Home / 186,631.20-279,946.80-93,319.20

Finding the Fourth Proportional to 186,631.20, 279,946.80 and 93,319.20

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Solution

The fourth proportional to 186,631.20, 279,946.80 and 93,319.20 is: 139,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,631.20 : 279,946.80 = 93,319.20 : x
  2. Step 2: Convert to fraction form
    186,631.20/279,946.80 = 93,319.20/x
  3. Step 3: Cross multiply
    186,631.20x = 279,946.80 × 93,319.20
  4. Step 4: Simplify right side
    186,631.20x = 26,124,411,418.56
  5. Step 5: Solve for x
    x = 26,124,411,418.56/186,631.20
  6. Step 6: Final answer
    x = 139,978.80

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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.