Home / 142,478.19-213,729.57-37,297.13

Finding the Fourth Proportional to 142,478.19, 213,729.57 and 37,297.13

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Solution

The fourth proportional to 142,478.19, 213,729.57 and 37,297.13 is: 55,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478.19 : 213,729.57 = 37,297.13 : x
  2. Step 2: Convert to fraction form
    142,478.19/213,729.57 = 37,297.13/x
  3. Step 3: Cross multiply
    142,478.19x = 213,729.57 × 37,297.13
  4. Step 4: Simplify right side
    142,478.19x = 7,971,498,488.49
  5. Step 5: Solve for x
    x = 7,971,498,488.49/142,478.19
  6. Step 6: Final answer
    x = 55,948.90

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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.