Home / 117,627.04-176,443.80-28,880.20

Finding the Fourth Proportional to 117,627.04, 176,443.80 and 28,880.20

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Solution

The fourth proportional to 117,627.04, 176,443.80 and 28,880.20 is: 43,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,627.04 : 176,443.80 = 28,880.20 : x
  2. Step 2: Convert to fraction form
    117,627.04/176,443.80 = 28,880.20/x
  3. Step 3: Cross multiply
    117,627.04x = 176,443.80 × 28,880.20
  4. Step 4: Simplify right side
    117,627.04x = 5,095,732,232.76
  5. Step 5: Solve for x
    x = 5,095,732,232.76/117,627.04
  6. Step 6: Final answer
    x = 43,321.10

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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.