Home / 112,076.88-154,665.08-61,089.60

Finding the Fourth Proportional to 112,076.88, 154,665.08 and 61,089.60

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Solution

The fourth proportional to 112,076.88, 154,665.08 and 61,089.60 is: 84,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,076.88 : 154,665.08 = 61,089.60 : x
  2. Step 2: Convert to fraction form
    112,076.88/154,665.08 = 61,089.60/x
  3. Step 3: Cross multiply
    112,076.88x = 154,665.08 × 61,089.60
  4. Step 4: Simplify right side
    112,076.88x = 9,448,427,871.17
  5. Step 5: Solve for x
    x = 9,448,427,871.17/112,076.88
  6. Step 6: Final answer
    x = 84,303.10

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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.