Home / 220,981.95-304,957.11-133,769.06

Finding the Fourth Proportional to 220,981.95, 304,957.11 and 133,769.06

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Solution

The fourth proportional to 220,981.95, 304,957.11 and 133,769.06 is: 184,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,981.95 : 304,957.11 = 133,769.06 : x
  2. Step 2: Convert to fraction form
    220,981.95/304,957.11 = 133,769.06/x
  3. Step 3: Cross multiply
    220,981.95x = 304,957.11 × 133,769.06
  4. Step 4: Simplify right side
    220,981.95x = 40,793,825,945.02
  5. Step 5: Solve for x
    x = 40,793,825,945.02/220,981.95
  6. Step 6: Final answer
    x = 184,602.52

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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.