Home / 112,369.30-155,070.16-61,382.73

Finding the Fourth Proportional to 112,369.30, 155,070.16 and 61,382.73

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Solution

The fourth proportional to 112,369.30, 155,070.16 and 61,382.73 is: 84,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,369.30 : 155,070.16 = 61,382.73 : x
  2. Step 2: Convert to fraction form
    112,369.30/155,070.16 = 61,382.73/x
  3. Step 3: Cross multiply
    112,369.30x = 155,070.16 × 61,382.73
  4. Step 4: Simplify right side
    112,369.30x = 9,518,629,762.34
  5. Step 5: Solve for x
    x = 9,518,629,762.34/112,369.30
  6. Step 6: Final answer
    x = 84,708.46

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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.