Home / 123,329.29-170,194.95-66,740.67

Finding the Fourth Proportional to 123,329.29, 170,194.95 and 66,740.67

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Solution

The fourth proportional to 123,329.29, 170,194.95 and 66,740.67 is: 92,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,329.29 : 170,194.95 = 66,740.67 : x
  2. Step 2: Convert to fraction form
    123,329.29/170,194.95 = 66,740.67/x
  3. Step 3: Cross multiply
    123,329.29x = 170,194.95 × 66,740.67
  4. Step 4: Simplify right side
    123,329.29x = 11,358,924,142.64
  5. Step 5: Solve for x
    x = 11,358,924,142.64/123,329.29
  6. Step 6: Final answer
    x = 92,102.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.