Home / 156,912.90-235,368.27-51,740.34

Finding the Fourth Proportional to 156,912.90, 235,368.27 and 51,740.34

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Solution

The fourth proportional to 156,912.90, 235,368.27 and 51,740.34 is: 77,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,912.90 : 235,368.27 = 51,740.34 : x
  2. Step 2: Convert to fraction form
    156,912.90/235,368.27 = 51,740.34/x
  3. Step 3: Cross multiply
    156,912.90x = 235,368.27 × 51,740.34
  4. Step 4: Simplify right side
    156,912.90x = 12,178,034,315.01
  5. Step 5: Solve for x
    x = 12,178,034,315.01/156,912.90
  6. Step 6: Final answer
    x = 77,610.15

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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.