Home / 123,561.17-185,130.13-67,440.63

Finding the Fourth Proportional to 123,561.17, 185,130.13 and 67,440.63

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Solution

The fourth proportional to 123,561.17, 185,130.13 and 67,440.63 is: 101,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,561.17 : 185,130.13 = 67,440.63 : x
  2. Step 2: Convert to fraction form
    123,561.17/185,130.13 = 67,440.63/x
  3. Step 3: Cross multiply
    123,561.17x = 185,130.13 × 67,440.63
  4. Step 4: Simplify right side
    123,561.17x = 12,485,292,599.18
  5. Step 5: Solve for x
    x = 12,485,292,599.18/123,561.17
  6. Step 6: Final answer
    x = 101,045.44

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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.