Home / 112,236.90-154,885.95-61,250.64

Finding the Fourth Proportional to 112,236.90, 154,885.95 and 61,250.64

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Solution

The fourth proportional to 112,236.90, 154,885.95 and 61,250.64 is: 84,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,236.90 : 154,885.95 = 61,250.64 : x
  2. Step 2: Convert to fraction form
    112,236.90/154,885.95 = 61,250.64/x
  3. Step 3: Cross multiply
    112,236.90x = 154,885.95 × 61,250.64
  4. Step 4: Simplify right side
    112,236.90x = 9,486,863,564.51
  5. Step 5: Solve for x
    x = 9,486,863,564.51/112,236.90
  6. Step 6: Final answer
    x = 84,525.35

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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.