Home / 127,007.94-190,537.02-42,764.70

Finding the Fourth Proportional to 127,007.94, 190,537.02 and 42,764.70

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Solution

The fourth proportional to 127,007.94, 190,537.02 and 42,764.70 is: 64,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,007.94 : 190,537.02 = 42,764.70 : x
  2. Step 2: Convert to fraction form
    127,007.94/190,537.02 = 42,764.70/x
  3. Step 3: Cross multiply
    127,007.94x = 190,537.02 × 42,764.70
  4. Step 4: Simplify right side
    127,007.94x = 8,148,258,499.19
  5. Step 5: Solve for x
    x = 8,148,258,499.19/127,007.94
  6. Step 6: Final answer
    x = 64,155.50

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1.5x scale

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.