Home / 112,009.06-154,578.27-61,708.06

Finding the Fourth Proportional to 112,009.06, 154,578.27 and 61,708.06

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Solution

The fourth proportional to 112,009.06, 154,578.27 and 61,708.06 is: 85,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,009.06 : 154,578.27 = 61,708.06 : x
  2. Step 2: Convert to fraction form
    112,009.06/154,578.27 = 61,708.06/x
  3. Step 3: Cross multiply
    112,009.06x = 154,578.27 × 61,708.06
  4. Step 4: Simplify right side
    112,009.06x = 9,538,725,159.86
  5. Step 5: Solve for x
    x = 9,538,725,159.86/112,009.06
  6. Step 6: Final answer
    x = 85,160.30

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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.