Home / 163,946.20-245,919.30-155,392.60

Finding the Fourth Proportional to 163,946.20, 245,919.30 and 155,392.60

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Solution

The fourth proportional to 163,946.20, 245,919.30 and 155,392.60 is: 233,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,946.20 : 245,919.30 = 155,392.60 : x
  2. Step 2: Convert to fraction form
    163,946.20/245,919.30 = 155,392.60/x
  3. Step 3: Cross multiply
    163,946.20x = 245,919.30 × 155,392.60
  4. Step 4: Simplify right side
    163,946.20x = 38,214,039,417.18
  5. Step 5: Solve for x
    x = 38,214,039,417.18/163,946.20
  6. Step 6: Final answer
    x = 233,088.90

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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.