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Finding the Fourth Proportional to 159,737.15, 239,515.80 and 53,064

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Solution

The fourth proportional to 159,737.15, 239,515.80 and 53,064 is: 79,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,737.15 : 239,515.80 = 53,064 : x
  2. Step 2: Convert to fraction form
    159,737.15/239,515.80 = 53,064/x
  3. Step 3: Cross multiply
    159,737.15x = 239,515.80 × 53,064
  4. Step 4: Simplify right side
    159,737.15x = 12,709,666,411.20
  5. Step 5: Solve for x
    x = 12,709,666,411.20/159,737.15
  6. Step 6: Final answer
    x = 79,566.13

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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.