Home / 140,772.24-194,265.74-77,111.08

Finding the Fourth Proportional to 140,772.24, 194,265.74 and 77,111.08

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Solution

The fourth proportional to 140,772.24, 194,265.74 and 77,111.08 is: 106,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,772.24 : 194,265.74 = 77,111.08 : x
  2. Step 2: Convert to fraction form
    140,772.24/194,265.74 = 77,111.08/x
  3. Step 3: Cross multiply
    140,772.24x = 194,265.74 × 77,111.08
  4. Step 4: Simplify right side
    140,772.24x = 14,980,041,018.40
  5. Step 5: Solve for x
    x = 14,980,041,018.40/140,772.24
  6. Step 6: Final answer
    x = 106,413.32

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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.