Home / 152,288.16-210,157.92-85,220.16

Finding the Fourth Proportional to 152,288.16, 210,157.92 and 85,220.16

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Solution

The fourth proportional to 152,288.16, 210,157.92 and 85,220.16 is: 117,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,288.16 : 210,157.92 = 85,220.16 : x
  2. Step 2: Convert to fraction form
    152,288.16/210,157.92 = 85,220.16/x
  3. Step 3: Cross multiply
    152,288.16x = 210,157.92 × 85,220.16
  4. Step 4: Simplify right side
    152,288.16x = 17,909,691,567.67
  5. Step 5: Solve for x
    x = 17,909,691,567.67/152,288.16
  6. Step 6: Final answer
    x = 117,603.97

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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.