Home / 117,020.32-175,486.80-42,120.16

Finding the Fourth Proportional to 117,020.32, 175,486.80 and 42,120.16

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Solution

The fourth proportional to 117,020.32, 175,486.80 and 42,120.16 is: 63,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,020.32 : 175,486.80 = 42,120.16 : x
  2. Step 2: Convert to fraction form
    117,020.32/175,486.80 = 42,120.16/x
  3. Step 3: Cross multiply
    117,020.32x = 175,486.80 × 42,120.16
  4. Step 4: Simplify right side
    117,020.32x = 7,391,532,093.89
  5. Step 5: Solve for x
    x = 7,391,532,093.89/117,020.32
  6. Step 6: Final answer
    x = 63,164.52

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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.