Home / 112,946.85-155,866.70-62,645.85

Finding the Fourth Proportional to 112,946.85, 155,866.70 and 62,645.85

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Solution

The fourth proportional to 112,946.85, 155,866.70 and 62,645.85 is: 86,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,946.85 : 155,866.70 = 62,645.85 : x
  2. Step 2: Convert to fraction form
    112,946.85/155,866.70 = 62,645.85/x
  3. Step 3: Cross multiply
    112,946.85x = 155,866.70 × 62,645.85
  4. Step 4: Simplify right side
    112,946.85x = 9,764,401,908.20
  5. Step 5: Solve for x
    x = 9,764,401,908.20/112,946.85
  6. Step 6: Final answer
    x = 86,451.30

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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.