Home / 190,115.17-262,389.51-108,470.08

Finding the Fourth Proportional to 190,115.17, 262,389.51 and 108,470.08

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Solution

The fourth proportional to 190,115.17, 262,389.51 and 108,470.08 is: 149,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,115.17 : 262,389.51 = 108,470.08 : x
  2. Step 2: Convert to fraction form
    190,115.17/262,389.51 = 108,470.08/x
  3. Step 3: Cross multiply
    190,115.17x = 262,389.51 × 108,470.08
  4. Step 4: Simplify right side
    190,115.17x = 28,461,411,140.86
  5. Step 5: Solve for x
    x = 28,461,411,140.86/190,115.17
  6. Step 6: Final answer
    x = 149,706.16

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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.