Home / 140,522.77-210,867.18-51,838.55

Finding the Fourth Proportional to 140,522.77, 210,867.18 and 51,838.55

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Solution

The fourth proportional to 140,522.77, 210,867.18 and 51,838.55 is: 77,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,522.77 : 210,867.18 = 51,838.55 : x
  2. Step 2: Convert to fraction form
    140,522.77/210,867.18 = 51,838.55/x
  3. Step 3: Cross multiply
    140,522.77x = 210,867.18 × 51,838.55
  4. Step 4: Simplify right side
    140,522.77x = 10,931,047,540.26
  5. Step 5: Solve for x
    x = 10,931,047,540.26/140,522.77
  6. Step 6: Final answer
    x = 77,788.45

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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.