Home / 127,007.61-190,392.20-42,708.81

Finding the Fourth Proportional to 127,007.61, 190,392.20 and 42,708.81

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Solution

The fourth proportional to 127,007.61, 190,392.20 and 42,708.81 is: 64,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,007.61 : 190,392.20 = 42,708.81 : x
  2. Step 2: Convert to fraction form
    127,007.61/190,392.20 = 42,708.81/x
  3. Step 3: Cross multiply
    127,007.61x = 190,392.20 × 42,708.81
  4. Step 4: Simplify right side
    127,007.61x = 8,131,424,295.28
  5. Step 5: Solve for x
    x = 8,131,424,295.28/127,007.61
  6. Step 6: Final answer
    x = 64,023.13

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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.