Home / 142,357.56-213,533.64-42,518.04

Finding the Fourth Proportional to 142,357.56, 213,533.64 and 42,518.04

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Solution

The fourth proportional to 142,357.56, 213,533.64 and 42,518.04 is: 63,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,357.56 : 213,533.64 = 42,518.04 : x
  2. Step 2: Convert to fraction form
    142,357.56/213,533.64 = 42,518.04/x
  3. Step 3: Cross multiply
    142,357.56x = 213,533.64 × 42,518.04
  4. Step 4: Simplify right side
    142,357.56x = 9,079,031,846.87
  5. Step 5: Solve for x
    x = 9,079,031,846.87/142,357.56
  6. Step 6: Final answer
    x = 63,776.25

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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.