Home / 112,312.97-154,991.12-61,325.67

Finding the Fourth Proportional to 112,312.97, 154,991.12 and 61,325.67

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Solution

The fourth proportional to 112,312.97, 154,991.12 and 61,325.67 is: 84,629.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,312.97 : 154,991.12 = 61,325.67 : x
  2. Step 2: Convert to fraction form
    112,312.97/154,991.12 = 61,325.67/x
  3. Step 3: Cross multiply
    112,312.97x = 154,991.12 × 61,325.67
  4. Step 4: Simplify right side
    112,312.97x = 9,504,934,552.64
  5. Step 5: Solve for x
    x = 9,504,934,552.64/112,312.97
  6. Step 6: Final answer
    x = 84,629.00

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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.