Home / 112,068.39-154,649.85-61,080.03

Finding the Fourth Proportional to 112,068.39, 154,649.85 and 61,080.03

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Solution

The fourth proportional to 112,068.39, 154,649.85 and 61,080.03 is: 84,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068.39 : 154,649.85 = 61,080.03 : x
  2. Step 2: Convert to fraction form
    112,068.39/154,649.85 = 61,080.03/x
  3. Step 3: Cross multiply
    112,068.39x = 154,649.85 × 61,080.03
  4. Step 4: Simplify right side
    112,068.39x = 9,446,017,477.50
  5. Step 5: Solve for x
    x = 9,446,017,477.50/112,068.39
  6. Step 6: Final answer
    x = 84,287.97

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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.