Home / 142,127.36-213,153.90-42,260.68

Finding the Fourth Proportional to 142,127.36, 213,153.90 and 42,260.68

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Solution

The fourth proportional to 142,127.36, 213,153.90 and 42,260.68 is: 63,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,127.36 : 213,153.90 = 42,260.68 : x
  2. Step 2: Convert to fraction form
    142,127.36/213,153.90 = 42,260.68/x
  3. Step 3: Cross multiply
    142,127.36x = 213,153.90 × 42,260.68
  4. Step 4: Simplify right side
    142,127.36x = 9,008,028,758.65
  5. Step 5: Solve for x
    x = 9,008,028,758.65/142,127.36
  6. Step 6: Final answer
    x = 63,379.98

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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.