Home / 209,618.69-314,331.03-67,437.50

Finding the Fourth Proportional to 209,618.69, 314,331.03 and 67,437.50

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Solution

The fourth proportional to 209,618.69, 314,331.03 and 67,437.50 is: 101,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,618.69 : 314,331.03 = 67,437.50 : x
  2. Step 2: Convert to fraction form
    209,618.69/314,331.03 = 67,437.50/x
  3. Step 3: Cross multiply
    209,618.69x = 314,331.03 × 67,437.50
  4. Step 4: Simplify right side
    209,618.69x = 21,197,697,263.97
  5. Step 5: Solve for x
    x = 21,197,697,263.97/209,618.69
  6. Step 6: Final answer
    x = 101,125.04

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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.