Home / 223,280.32-308,125.56-121,304.98

Finding the Fourth Proportional to 223,280.32, 308,125.56 and 121,304.98

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Solution

The fourth proportional to 223,280.32, 308,125.56 and 121,304.98 is: 167,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,280.32 : 308,125.56 = 121,304.98 : x
  2. Step 2: Convert to fraction form
    223,280.32/308,125.56 = 121,304.98/x
  3. Step 3: Cross multiply
    223,280.32x = 308,125.56 × 121,304.98
  4. Step 4: Simplify right side
    223,280.32x = 37,377,164,893.29
  5. Step 5: Solve for x
    x = 37,377,164,893.29/223,280.32
  6. Step 6: Final answer
    x = 167,400.18

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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.