Home / 160,284.06-221,292.78-102,946.50

Finding the Fourth Proportional to 160,284.06, 221,292.78 and 102,946.50

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Solution

The fourth proportional to 160,284.06, 221,292.78 and 102,946.50 is: 142,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,284.06 : 221,292.78 = 102,946.50 : x
  2. Step 2: Convert to fraction form
    160,284.06/221,292.78 = 102,946.50/x
  3. Step 3: Cross multiply
    160,284.06x = 221,292.78 × 102,946.50
  4. Step 4: Simplify right side
    160,284.06x = 22,781,317,176.27
  5. Step 5: Solve for x
    x = 22,781,317,176.27/160,284.06
  6. Step 6: Final answer
    x = 142,130.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.