Home / 205,557.40-308,336.10-158,901.40

Finding the Fourth Proportional to 205,557.40, 308,336.10 and 158,901.40

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Solution

The fourth proportional to 205,557.40, 308,336.10 and 158,901.40 is: 238,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,557.40 : 308,336.10 = 158,901.40 : x
  2. Step 2: Convert to fraction form
    205,557.40/308,336.10 = 158,901.40/x
  3. Step 3: Cross multiply
    205,557.40x = 308,336.10 × 158,901.40
  4. Step 4: Simplify right side
    205,557.40x = 48,995,037,960.54
  5. Step 5: Solve for x
    x = 48,995,037,960.54/205,557.40
  6. Step 6: Final answer
    x = 238,352.10

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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.