Home / 152,844.16-210,901.44-85,763.20

Finding the Fourth Proportional to 152,844.16, 210,901.44 and 85,763.20

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Solution

The fourth proportional to 152,844.16, 210,901.44 and 85,763.20 is: 118,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,844.16 : 210,901.44 = 85,763.20 : x
  2. Step 2: Convert to fraction form
    152,844.16/210,901.44 = 85,763.20/x
  3. Step 3: Cross multiply
    152,844.16x = 210,901.44 × 85,763.20
  4. Step 4: Simplify right side
    152,844.16x = 18,087,582,379.01
  5. Step 5: Solve for x
    x = 18,087,582,379.01/152,844.16
  6. Step 6: Final answer
    x = 118,340.03

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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.