Home / 112,064.34-154,649.01-61,077.65

Finding the Fourth Proportional to 112,064.34, 154,649.01 and 61,077.65

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Solution

The fourth proportional to 112,064.34, 154,649.01 and 61,077.65 is: 84,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064.34 : 154,649.01 = 61,077.65 : x
  2. Step 2: Convert to fraction form
    112,064.34/154,649.01 = 61,077.65/x
  3. Step 3: Cross multiply
    112,064.34x = 154,649.01 × 61,077.65
  4. Step 4: Simplify right side
    112,064.34x = 9,445,597,561.42
  5. Step 5: Solve for x
    x = 9,445,597,561.42/112,064.34
  6. Step 6: Final answer
    x = 84,287.27

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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.