Home / 100,077.60-150,116.24-47,458.32

Finding the Fourth Proportional to 100,077.60, 150,116.24 and 47,458.32

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Solution

The fourth proportional to 100,077.60, 150,116.24 and 47,458.32 is: 71,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,077.60 : 150,116.24 = 47,458.32 : x
  2. Step 2: Convert to fraction form
    100,077.60/150,116.24 = 47,458.32/x
  3. Step 3: Cross multiply
    100,077.60x = 150,116.24 × 47,458.32
  4. Step 4: Simplify right side
    100,077.60x = 7,124,264,555.12
  5. Step 5: Solve for x
    x = 7,124,264,555.12/100,077.60
  6. Step 6: Final answer
    x = 71,187.40

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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.