Home / 209,859.02-314,881.48-109,995.47

Finding the Fourth Proportional to 209,859.02, 314,881.48 and 109,995.47

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Solution

The fourth proportional to 209,859.02, 314,881.48 and 109,995.47 is: 165,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,859.02 : 314,881.48 = 109,995.47 : x
  2. Step 2: Convert to fraction form
    209,859.02/314,881.48 = 109,995.47/x
  3. Step 3: Cross multiply
    209,859.02x = 314,881.48 × 109,995.47
  4. Step 4: Simplify right side
    209,859.02x = 34,635,537,311.59
  5. Step 5: Solve for x
    x = 34,635,537,311.59/209,859.02
  6. Step 6: Final answer
    x = 165,041.93

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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.