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Finding the Fourth Proportional to 163,520.80, 245,086.80 and 146,802.40

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Solution

The fourth proportional to 163,520.80, 245,086.80 and 146,802.40 is: 220,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,520.80 : 245,086.80 = 146,802.40 : x
  2. Step 2: Convert to fraction form
    163,520.80/245,086.80 = 146,802.40/x
  3. Step 3: Cross multiply
    163,520.80x = 245,086.80 × 146,802.40
  4. Step 4: Simplify right side
    163,520.80x = 35,979,330,448.32
  5. Step 5: Solve for x
    x = 35,979,330,448.32/163,520.80
  6. Step 6: Final answer
    x = 220,029.08

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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.