Home / 152,521.05-210,491.66-84,559.35

Finding the Fourth Proportional to 152,521.05, 210,491.66 and 84,559.35

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Solution

The fourth proportional to 152,521.05, 210,491.66 and 84,559.35 is: 116,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,521.05 : 210,491.66 = 84,559.35 : x
  2. Step 2: Convert to fraction form
    152,521.05/210,491.66 = 84,559.35/x
  3. Step 3: Cross multiply
    152,521.05x = 210,491.66 × 84,559.35
  4. Step 4: Simplify right side
    152,521.05x = 17,799,037,527.22
  5. Step 5: Solve for x
    x = 17,799,037,527.22/152,521.05
  6. Step 6: Final answer
    x = 116,698.89

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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.