Home / 152,633.16-210,632.40-85,565.16

Finding the Fourth Proportional to 152,633.16, 210,632.40 and 85,565.16

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Solution

The fourth proportional to 152,633.16, 210,632.40 and 85,565.16 is: 118,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,633.16 : 210,632.40 = 85,565.16 : x
  2. Step 2: Convert to fraction form
    152,633.16/210,632.40 = 85,565.16/x
  3. Step 3: Cross multiply
    152,633.16x = 210,632.40 × 85,565.16
  4. Step 4: Simplify right side
    152,633.16x = 18,022,795,007.18
  5. Step 5: Solve for x
    x = 18,022,795,007.18/152,633.16
  6. Step 6: Final answer
    x = 118,079.16

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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.