Home / 142,235.90-213,383.55-47,462.30

Finding the Fourth Proportional to 142,235.90, 213,383.55 and 47,462.30

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Solution

The fourth proportional to 142,235.90, 213,383.55 and 47,462.30 is: 71,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,235.90 : 213,383.55 = 47,462.30 : x
  2. Step 2: Convert to fraction form
    142,235.90/213,383.55 = 47,462.30/x
  3. Step 3: Cross multiply
    142,235.90x = 213,383.55 × 47,462.30
  4. Step 4: Simplify right side
    142,235.90x = 10,127,674,065.17
  5. Step 5: Solve for x
    x = 10,127,674,065.17/142,235.90
  6. Step 6: Final answer
    x = 71,203.36

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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.