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Finding the Fourth Proportional to 92,159.42, 127,154.54 and 51,870.83

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Solution

The fourth proportional to 92,159.42, 127,154.54 and 51,870.83 is: 71,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,159.42 : 127,154.54 = 51,870.83 : x
  2. Step 2: Convert to fraction form
    92,159.42/127,154.54 = 51,870.83/x
  3. Step 3: Cross multiply
    92,159.42x = 127,154.54 × 51,870.83
  4. Step 4: Simplify right side
    92,159.42x = 6,595,611,021.97
  5. Step 5: Solve for x
    x = 6,595,611,021.97/92,159.42
  6. Step 6: Final answer
    x = 71,567.41

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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.