Home / 156,939.60-235,409.40-144,037.20

Finding the Fourth Proportional to 156,939.60, 235,409.40 and 144,037.20

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Solution

The fourth proportional to 156,939.60, 235,409.40 and 144,037.20 is: 216,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.60 : 235,409.40 = 144,037.20 : x
  2. Step 2: Convert to fraction form
    156,939.60/235,409.40 = 144,037.20/x
  3. Step 3: Cross multiply
    156,939.60x = 235,409.40 × 144,037.20
  4. Step 4: Simplify right side
    156,939.60x = 33,907,710,829.68
  5. Step 5: Solve for x
    x = 33,907,710,829.68/156,939.60
  6. Step 6: Final answer
    x = 216,055.80

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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.