Home / 115,015.24-157,873.04-102,158.92

Finding the Fourth Proportional to 115,015.24, 157,873.04 and 102,158.92

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Solution

The fourth proportional to 115,015.24, 157,873.04 and 102,158.92 is: 140,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,015.24 : 157,873.04 = 102,158.92 : x
  2. Step 2: Convert to fraction form
    115,015.24/157,873.04 = 102,158.92/x
  3. Step 3: Cross multiply
    115,015.24x = 157,873.04 × 102,158.92
  4. Step 4: Simplify right side
    115,015.24x = 16,128,139,263.52
  5. Step 5: Solve for x
    x = 16,128,139,263.52/115,015.24
  6. Step 6: Final answer
    x = 140,226.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.