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Finding the Fourth Proportional to 161,760.02, 242,672.84 and 56,652.80

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Solution

The fourth proportional to 161,760.02, 242,672.84 and 56,652.80 is: 84,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,760.02 : 242,672.84 = 56,652.80 : x
  2. Step 2: Convert to fraction form
    161,760.02/242,672.84 = 56,652.80/x
  3. Step 3: Cross multiply
    161,760.02x = 242,672.84 × 56,652.80
  4. Step 4: Simplify right side
    161,760.02x = 13,748,095,586.69
  5. Step 5: Solve for x
    x = 13,748,095,586.69/161,760.02
  6. Step 6: Final answer
    x = 84,990.69

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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.