Home / 112,285.35-154,959.63-64,543.14

Finding the Fourth Proportional to 112,285.35, 154,959.63 and 64,543.14

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Solution

The fourth proportional to 112,285.35, 154,959.63 and 64,543.14 is: 89,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,285.35 : 154,959.63 = 64,543.14 : x
  2. Step 2: Convert to fraction form
    112,285.35/154,959.63 = 64,543.14/x
  3. Step 3: Cross multiply
    112,285.35x = 154,959.63 × 64,543.14
  4. Step 4: Simplify right side
    112,285.35x = 10,001,581,093.44
  5. Step 5: Solve for x
    x = 10,001,581,093.44/112,285.35
  6. Step 6: Final answer
    x = 89,072.89

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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.