Home / 163,392.51-245,298.65-125,976.35

Finding the Fourth Proportional to 163,392.51, 245,298.65 and 125,976.35

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Solution

The fourth proportional to 163,392.51, 245,298.65 and 125,976.35 is: 189,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,392.51 : 245,298.65 = 125,976.35 : x
  2. Step 2: Convert to fraction form
    163,392.51/245,298.65 = 125,976.35/x
  3. Step 3: Cross multiply
    163,392.51x = 245,298.65 × 125,976.35
  4. Step 4: Simplify right side
    163,392.51x = 30,901,827,360.43
  5. Step 5: Solve for x
    x = 30,901,827,360.43/163,392.51
  6. Step 6: Final answer
    x = 189,126.35

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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.