Home / 112,326.23-155,016.50-61,343.68

Finding the Fourth Proportional to 112,326.23, 155,016.50 and 61,343.68

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Solution

The fourth proportional to 112,326.23, 155,016.50 and 61,343.68 is: 84,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,326.23 : 155,016.50 = 61,343.68 : x
  2. Step 2: Convert to fraction form
    112,326.23/155,016.50 = 61,343.68/x
  3. Step 3: Cross multiply
    112,326.23x = 155,016.50 × 61,343.68
  4. Step 4: Simplify right side
    112,326.23x = 9,509,282,570.72
  5. Step 5: Solve for x
    x = 9,509,282,570.72/112,326.23
  6. Step 6: Final answer
    x = 84,657.72

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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.