Home / 156,975.60-235,463.40-68,271.60

Finding the Fourth Proportional to 156,975.60, 235,463.40 and 68,271.60

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Solution

The fourth proportional to 156,975.60, 235,463.40 and 68,271.60 is: 102,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.60 : 235,463.40 = 68,271.60 : x
  2. Step 2: Convert to fraction form
    156,975.60/235,463.40 = 68,271.60/x
  3. Step 3: Cross multiply
    156,975.60x = 235,463.40 × 68,271.60
  4. Step 4: Simplify right side
    156,975.60x = 16,075,463,059.44
  5. Step 5: Solve for x
    x = 16,075,463,059.44/156,975.60
  6. Step 6: Final answer
    x = 102,407.40

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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.