Home / 112,077.40-154,664.70-61,090.60

Finding the Fourth Proportional to 112,077.40, 154,664.70 and 61,090.60

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Solution

The fourth proportional to 112,077.40, 154,664.70 and 61,090.60 is: 84,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077.40 : 154,664.70 = 61,090.60 : x
  2. Step 2: Convert to fraction form
    112,077.40/154,664.70 = 61,090.60/x
  3. Step 3: Cross multiply
    112,077.40x = 154,664.70 × 61,090.60
  4. Step 4: Simplify right side
    112,077.40x = 9,448,559,321.82
  5. Step 5: Solve for x
    x = 9,448,559,321.82/112,077.40
  6. Step 6: Final answer
    x = 84,303.88

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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.