Home / 112,948.85-155,869.46-62,647.85

Finding the Fourth Proportional to 112,948.85, 155,869.46 and 62,647.85

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Solution

The fourth proportional to 112,948.85, 155,869.46 and 62,647.85 is: 86,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,948.85 : 155,869.46 = 62,647.85 : x
  2. Step 2: Convert to fraction form
    112,948.85/155,869.46 = 62,647.85/x
  3. Step 3: Cross multiply
    112,948.85x = 155,869.46 × 62,647.85
  4. Step 4: Simplify right side
    112,948.85x = 9,764,886,549.66
  5. Step 5: Solve for x
    x = 9,764,886,549.66/112,948.85
  6. Step 6: Final answer
    x = 86,454.06

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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.