Home / 157,485.04-236,179.06-45,135.13

Finding the Fourth Proportional to 157,485.04, 236,179.06 and 45,135.13

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Solution

The fourth proportional to 157,485.04, 236,179.06 and 45,135.13 is: 67,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,485.04 : 236,179.06 = 45,135.13 : x
  2. Step 2: Convert to fraction form
    157,485.04/236,179.06 = 45,135.13/x
  3. Step 3: Cross multiply
    157,485.04x = 236,179.06 × 45,135.13
  4. Step 4: Simplify right side
    157,485.04x = 10,659,972,576.38
  5. Step 5: Solve for x
    x = 10,659,972,576.38/157,485.04
  6. Step 6: Final answer
    x = 67,688.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.