Home / 209,823.48-314,828.25-109,959.93

Finding the Fourth Proportional to 209,823.48, 314,828.25 and 109,959.93

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Solution

The fourth proportional to 209,823.48, 314,828.25 and 109,959.93 is: 164,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,823.48 : 314,828.25 = 109,959.93 : x
  2. Step 2: Convert to fraction form
    209,823.48/314,828.25 = 109,959.93/x
  3. Step 3: Cross multiply
    209,823.48x = 314,828.25 × 109,959.93
  4. Step 4: Simplify right side
    209,823.48x = 34,618,492,538.20
  5. Step 5: Solve for x
    x = 34,618,492,538.20/209,823.48
  6. Step 6: Final answer
    x = 164,988.65

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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.