Home / 112,102.14-154,702.01-61,802.94

Finding the Fourth Proportional to 112,102.14, 154,702.01 and 61,802.94

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Solution

The fourth proportional to 112,102.14, 154,702.01 and 61,802.94 is: 85,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,102.14 : 154,702.01 = 61,802.94 : x
  2. Step 2: Convert to fraction form
    112,102.14/154,702.01 = 61,802.94/x
  3. Step 3: Cross multiply
    112,102.14x = 154,702.01 × 61,802.94
  4. Step 4: Simplify right side
    112,102.14x = 9,561,039,041.91
  5. Step 5: Solve for x
    x = 9,561,039,041.91/112,102.14
  6. Step 6: Final answer
    x = 85,288.64

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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.