Home / 112,146.45-154,774.43-69,117.22

Finding the Fourth Proportional to 112,146.45, 154,774.43 and 69,117.22

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Solution

The fourth proportional to 112,146.45, 154,774.43 and 69,117.22 is: 95,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,146.45 : 154,774.43 = 69,117.22 : x
  2. Step 2: Convert to fraction form
    112,146.45/154,774.43 = 69,117.22/x
  3. Step 3: Cross multiply
    112,146.45x = 154,774.43 × 69,117.22
  4. Step 4: Simplify right side
    112,146.45x = 10,697,578,328.68
  5. Step 5: Solve for x
    x = 10,697,578,328.68/112,146.45
  6. Step 6: Final answer
    x = 95,389.36

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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.