Home / 124,004.28-171,127.02-67,415.76

Finding the Fourth Proportional to 124,004.28, 171,127.02 and 67,415.76

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Solution

The fourth proportional to 124,004.28, 171,127.02 and 67,415.76 is: 93,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,004.28 : 171,127.02 = 67,415.76 : x
  2. Step 2: Convert to fraction form
    124,004.28/171,127.02 = 67,415.76/x
  3. Step 3: Cross multiply
    124,004.28x = 171,127.02 × 67,415.76
  4. Step 4: Simplify right side
    124,004.28x = 11,536,658,109.84
  5. Step 5: Solve for x
    x = 11,536,658,109.84/124,004.28
  6. Step 6: Final answer
    x = 93,034.35

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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.