Home / 142,328.98-213,329.10-53,525.80

Finding the Fourth Proportional to 142,328.98, 213,329.10 and 53,525.80

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Solution

The fourth proportional to 142,328.98, 213,329.10 and 53,525.80 is: 80,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,328.98 : 213,329.10 = 53,525.80 : x
  2. Step 2: Convert to fraction form
    142,328.98/213,329.10 = 53,525.80/x
  3. Step 3: Cross multiply
    142,328.98x = 213,329.10 × 53,525.80
  4. Step 4: Simplify right side
    142,328.98x = 11,418,610,740.78
  5. Step 5: Solve for x
    x = 11,418,610,740.78/142,328.98
  6. Step 6: Final answer
    x = 80,226.89

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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.