Home / 152,245.10-210,117.87-91,848.36

Finding the Fourth Proportional to 152,245.10, 210,117.87 and 91,848.36

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Solution

The fourth proportional to 152,245.10, 210,117.87 and 91,848.36 is: 126,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,245.10 : 210,117.87 = 91,848.36 : x
  2. Step 2: Convert to fraction form
    152,245.10/210,117.87 = 91,848.36/x
  3. Step 3: Cross multiply
    152,245.10x = 210,117.87 × 91,848.36
  4. Step 4: Simplify right side
    152,245.10x = 19,298,982,554.14
  5. Step 5: Solve for x
    x = 19,298,982,554.14/152,245.10
  6. Step 6: Final answer
    x = 126,762.58

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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.