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Finding the Fourth Proportional to 105,000.74, 144,895.77 and 59,672.73

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Solution

The fourth proportional to 105,000.74, 144,895.77 and 59,672.73 is: 82,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,000.74 : 144,895.77 = 59,672.73 : x
  2. Step 2: Convert to fraction form
    105,000.74/144,895.77 = 59,672.73/x
  3. Step 3: Cross multiply
    105,000.74x = 144,895.77 × 59,672.73
  4. Step 4: Simplify right side
    105,000.74x = 8,646,326,704.71
  5. Step 5: Solve for x
    x = 8,646,326,704.71/105,000.74
  6. Step 6: Final answer
    x = 82,345.39

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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.