Home / 101,165.04-139,422.74-67,113.45

Finding the Fourth Proportional to 101,165.04, 139,422.74 and 67,113.45

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Solution

The fourth proportional to 101,165.04, 139,422.74 and 67,113.45 is: 92,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,165.04 : 139,422.74 = 67,113.45 : x
  2. Step 2: Convert to fraction form
    101,165.04/139,422.74 = 67,113.45/x
  3. Step 3: Cross multiply
    101,165.04x = 139,422.74 × 67,113.45
  4. Step 4: Simplify right side
    101,165.04x = 9,357,140,754.29
  5. Step 5: Solve for x
    x = 9,357,140,754.29/101,165.04
  6. Step 6: Final answer
    x = 92,493.82

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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.