Home / 152,399.24-210,317.86-85,331.24

Finding the Fourth Proportional to 152,399.24, 210,317.86 and 85,331.24

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Solution

The fourth proportional to 152,399.24, 210,317.86 and 85,331.24 is: 117,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,399.24 : 210,317.86 = 85,331.24 : x
  2. Step 2: Convert to fraction form
    152,399.24/210,317.86 = 85,331.24/x
  3. Step 3: Cross multiply
    152,399.24x = 210,317.86 × 85,331.24
  4. Step 4: Simplify right side
    152,399.24x = 17,946,683,787.95
  5. Step 5: Solve for x
    x = 17,946,683,787.95/152,399.24
  6. Step 6: Final answer
    x = 117,760.98

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1.5x scale

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.