Home / 154,764.18-213,030.54-135,598.77

Finding the Fourth Proportional to 154,764.18, 213,030.54 and 135,598.77

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Solution

The fourth proportional to 154,764.18, 213,030.54 and 135,598.77 is: 186,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,764.18 : 213,030.54 = 135,598.77 : x
  2. Step 2: Convert to fraction form
    154,764.18/213,030.54 = 135,598.77/x
  3. Step 3: Cross multiply
    154,764.18x = 213,030.54 × 135,598.77
  4. Step 4: Simplify right side
    154,764.18x = 28,886,679,196.44
  5. Step 5: Solve for x
    x = 28,886,679,196.44/154,764.18
  6. Step 6: Final answer
    x = 186,649.64

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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.