Home / 209,970.07-314,952.37-52,199.89

Finding the Fourth Proportional to 209,970.07, 314,952.37 and 52,199.89

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Solution

The fourth proportional to 209,970.07, 314,952.37 and 52,199.89 is: 78,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,970.07 : 314,952.37 = 52,199.89 : x
  2. Step 2: Convert to fraction form
    209,970.07/314,952.37 = 52,199.89/x
  3. Step 3: Cross multiply
    209,970.07x = 314,952.37 × 52,199.89
  4. Step 4: Simplify right side
    209,970.07x = 16,440,479,069.24
  5. Step 5: Solve for x
    x = 16,440,479,069.24/209,970.07
  6. Step 6: Final answer
    x = 78,299.16

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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.