Home / 112,068.51-154,650.60-61,080.24

Finding the Fourth Proportional to 112,068.51, 154,650.60 and 61,080.24

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Solution

The fourth proportional to 112,068.51, 154,650.60 and 61,080.24 is: 84,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068.51 : 154,650.60 = 61,080.24 : x
  2. Step 2: Convert to fraction form
    112,068.51/154,650.60 = 61,080.24/x
  3. Step 3: Cross multiply
    112,068.51x = 154,650.60 × 61,080.24
  4. Step 4: Simplify right side
    112,068.51x = 9,446,095,764.14
  5. Step 5: Solve for x
    x = 9,446,095,764.14/112,068.51
  6. Step 6: Final answer
    x = 84,288.58

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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.