Home / 268,802.12-370,946.98-147,943.40

Finding the Fourth Proportional to 268,802.12, 370,946.98 and 147,943.40

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Solution

The fourth proportional to 268,802.12, 370,946.98 and 147,943.40 is: 204,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,802.12 : 370,946.98 = 147,943.40 : x
  2. Step 2: Convert to fraction form
    268,802.12/370,946.98 = 147,943.40/x
  3. Step 3: Cross multiply
    268,802.12x = 370,946.98 × 147,943.40
  4. Step 4: Simplify right side
    268,802.12x = 54,879,157,440.93
  5. Step 5: Solve for x
    x = 54,879,157,440.93/268,802.12
  6. Step 6: Final answer
    x = 204,161.92

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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.