Home / 156,614.70-235,051.65-72,504.30

Finding the Fourth Proportional to 156,614.70, 235,051.65 and 72,504.30

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Solution

The fourth proportional to 156,614.70, 235,051.65 and 72,504.30 is: 108,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,614.70 : 235,051.65 = 72,504.30 : x
  2. Step 2: Convert to fraction form
    156,614.70/235,051.65 = 72,504.30/x
  3. Step 3: Cross multiply
    156,614.70x = 235,051.65 × 72,504.30
  4. Step 4: Simplify right side
    156,614.70x = 17,042,255,347.10
  5. Step 5: Solve for x
    x = 17,042,255,347.10/156,614.70
  6. Step 6: Final answer
    x = 108,816.45

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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.