Home / 190,315.17-262,386-163,743.12

Finding the Fourth Proportional to 190,315.17, 262,386 and 163,743.12

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Solution

The fourth proportional to 190,315.17, 262,386 and 163,743.12 is: 225,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,315.17 : 262,386 = 163,743.12 : x
  2. Step 2: Convert to fraction form
    190,315.17/262,386 = 163,743.12/x
  3. Step 3: Cross multiply
    190,315.17x = 262,386 × 163,743.12
  4. Step 4: Simplify right side
    190,315.17x = 42,963,902,284.32
  5. Step 5: Solve for x
    x = 42,963,902,284.32/190,315.17
  6. Step 6: Final answer
    x = 225,751.33

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1.5x scale

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.