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Finding the Fourth Proportional to 60,153, 90,234.63 and 15,779.58

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Solution

The fourth proportional to 60,153, 90,234.63 and 15,779.58 is: 23,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,153 : 90,234.63 = 15,779.58 : x
  2. Step 2: Convert to fraction form
    60,153/90,234.63 = 15,779.58/x
  3. Step 3: Cross multiply
    60,153x = 90,234.63 × 15,779.58
  4. Step 4: Simplify right side
    60,153x = 1,423,864,562.86
  5. Step 5: Solve for x
    x = 1,423,864,562.86/60,153
  6. Step 6: Final answer
    x = 23,670.72

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1.5x scale

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.