Home / 152,033.61-209,827.26-87,501.56

Finding the Fourth Proportional to 152,033.61, 209,827.26 and 87,501.56

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Solution

The fourth proportional to 152,033.61, 209,827.26 and 87,501.56 is: 120,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,033.61 : 209,827.26 = 87,501.56 : x
  2. Step 2: Convert to fraction form
    152,033.61/209,827.26 = 87,501.56/x
  3. Step 3: Cross multiply
    152,033.61x = 209,827.26 × 87,501.56
  4. Step 4: Simplify right side
    152,033.61x = 18,360,211,531.39
  5. Step 5: Solve for x
    x = 18,360,211,531.39/152,033.61
  6. Step 6: Final answer
    x = 120,764.16

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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.