Home / 163,562.20-245,351.40-84,830.20

Finding the Fourth Proportional to 163,562.20, 245,351.40 and 84,830.20

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Solution

The fourth proportional to 163,562.20, 245,351.40 and 84,830.20 is: 127,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,562.20 : 245,351.40 = 84,830.20 : x
  2. Step 2: Convert to fraction form
    163,562.20/245,351.40 = 84,830.20/x
  3. Step 3: Cross multiply
    163,562.20x = 245,351.40 × 84,830.20
  4. Step 4: Simplify right side
    163,562.20x = 20,813,208,332.28
  5. Step 5: Solve for x
    x = 20,813,208,332.28/163,562.20
  6. Step 6: Final answer
    x = 127,249.50

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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.