Home / 127,037.04-190,563.52-42,790.28

Finding the Fourth Proportional to 127,037.04, 190,563.52 and 42,790.28

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Solution

The fourth proportional to 127,037.04, 190,563.52 and 42,790.28 is: 64,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,037.04 : 190,563.52 = 42,790.28 : x
  2. Step 2: Convert to fraction form
    127,037.04/190,563.52 = 42,790.28/x
  3. Step 3: Cross multiply
    127,037.04x = 190,563.52 × 42,790.28
  4. Step 4: Simplify right side
    127,037.04x = 8,154,266,378.59
  5. Step 5: Solve for x
    x = 8,154,266,378.59/127,037.04
  6. Step 6: Final answer
    x = 64,188.10

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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.