Home / 134,641.37-185,815.77-74,222.76

Finding the Fourth Proportional to 134,641.37, 185,815.77 and 74,222.76

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Solution

The fourth proportional to 134,641.37, 185,815.77 and 74,222.76 is: 102,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,641.37 : 185,815.77 = 74,222.76 : x
  2. Step 2: Convert to fraction form
    134,641.37/185,815.77 = 74,222.76/x
  3. Step 3: Cross multiply
    134,641.37x = 185,815.77 × 74,222.76
  4. Step 4: Simplify right side
    134,641.37x = 13,791,759,300.93
  5. Step 5: Solve for x
    x = 13,791,759,300.93/134,641.37
  6. Step 6: Final answer
    x = 102,433.30

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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.