Home / 142,207.09-213,341.46-42,375.34

Finding the Fourth Proportional to 142,207.09, 213,341.46 and 42,375.34

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Solution

The fourth proportional to 142,207.09, 213,341.46 and 42,375.34 is: 63,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,207.09 : 213,341.46 = 42,375.34 : x
  2. Step 2: Convert to fraction form
    142,207.09/213,341.46 = 42,375.34/x
  3. Step 3: Cross multiply
    142,207.09x = 213,341.46 × 42,375.34
  4. Step 4: Simplify right side
    142,207.09x = 9,040,416,903.60
  5. Step 5: Solve for x
    x = 9,040,416,903.60/142,207.09
  6. Step 6: Final answer
    x = 63,572.20

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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.