Home / 189,637.93-261,752.48-117,975.21

Finding the Fourth Proportional to 189,637.93, 261,752.48 and 117,975.21

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Solution

The fourth proportional to 189,637.93, 261,752.48 and 117,975.21 is: 162,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,637.93 : 261,752.48 = 117,975.21 : x
  2. Step 2: Convert to fraction form
    189,637.93/261,752.48 = 117,975.21/x
  3. Step 3: Cross multiply
    189,637.93x = 261,752.48 × 117,975.21
  4. Step 4: Simplify right side
    189,637.93x = 30,880,303,796.02
  5. Step 5: Solve for x
    x = 30,880,303,796.02/189,637.93
  6. Step 6: Final answer
    x = 162,838.22

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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.