Home / 140,587.61-210,616.57-69,426.95

Finding the Fourth Proportional to 140,587.61, 210,616.57 and 69,426.95

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Solution

The fourth proportional to 140,587.61, 210,616.57 and 69,426.95 is: 104,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,587.61 : 210,616.57 = 69,426.95 : x
  2. Step 2: Convert to fraction form
    140,587.61/210,616.57 = 69,426.95/x
  3. Step 3: Cross multiply
    140,587.61x = 210,616.57 × 69,426.95
  4. Step 4: Simplify right side
    140,587.61x = 14,622,466,297.36
  5. Step 5: Solve for x
    x = 14,622,466,297.36/140,587.61
  6. Step 6: Final answer
    x = 104,009.64

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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.