Home / 112,071.93-154,648.44-64,316.06

Finding the Fourth Proportional to 112,071.93, 154,648.44 and 64,316.06

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Solution

The fourth proportional to 112,071.93, 154,648.44 and 64,316.06 is: 88,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,071.93 : 154,648.44 = 64,316.06 : x
  2. Step 2: Convert to fraction form
    112,071.93/154,648.44 = 64,316.06/x
  3. Step 3: Cross multiply
    112,071.93x = 154,648.44 × 64,316.06
  4. Step 4: Simplify right side
    112,071.93x = 9,946,377,572.70
  5. Step 5: Solve for x
    x = 9,946,377,572.70/112,071.93
  6. Step 6: Final answer
    x = 88,749.94

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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.