Home / 152,319.21-210,193.65-84,331.41

Finding the Fourth Proportional to 152,319.21, 210,193.65 and 84,331.41

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Solution

The fourth proportional to 152,319.21, 210,193.65 and 84,331.41 is: 116,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.21 : 210,193.65 = 84,331.41 : x
  2. Step 2: Convert to fraction form
    152,319.21/210,193.65 = 84,331.41/x
  3. Step 3: Cross multiply
    152,319.21x = 210,193.65 × 84,331.41
  4. Step 4: Simplify right side
    152,319.21x = 17,725,926,877.55
  5. Step 5: Solve for x
    x = 17,725,926,877.55/152,319.21
  6. Step 6: Final answer
    x = 116,373.55

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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.