Home / 163,396.32-245,304.37-125,980.16

Finding the Fourth Proportional to 163,396.32, 245,304.37 and 125,980.16

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Solution

The fourth proportional to 163,396.32, 245,304.37 and 125,980.16 is: 189,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,396.32 : 245,304.37 = 125,980.16 : x
  2. Step 2: Convert to fraction form
    163,396.32/245,304.37 = 125,980.16/x
  3. Step 3: Cross multiply
    163,396.32x = 245,304.37 × 125,980.16
  4. Step 4: Simplify right side
    163,396.32x = 30,903,483,781.30
  5. Step 5: Solve for x
    x = 30,903,483,781.30/163,396.32
  6. Step 6: Final answer
    x = 189,132.07

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1.5x scale

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.