Home / 123,302.02-170,156.78-66,713.40

Finding the Fourth Proportional to 123,302.02, 170,156.78 and 66,713.40

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Solution

The fourth proportional to 123,302.02, 170,156.78 and 66,713.40 is: 92,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,302.02 : 170,156.78 = 66,713.40 : x
  2. Step 2: Convert to fraction form
    123,302.02/170,156.78 = 66,713.40/x
  3. Step 3: Cross multiply
    123,302.02x = 170,156.78 × 66,713.40
  4. Step 4: Simplify right side
    123,302.02x = 11,351,736,605.37
  5. Step 5: Solve for x
    x = 11,351,736,605.37/123,302.02
  6. Step 6: Final answer
    x = 92,064.48

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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.