Home / 157,977.27-218,009.07-94,313.70

Finding the Fourth Proportional to 157,977.27, 218,009.07 and 94,313.70

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Solution

The fourth proportional to 157,977.27, 218,009.07 and 94,313.70 is: 130,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,977.27 : 218,009.07 = 94,313.70 : x
  2. Step 2: Convert to fraction form
    157,977.27/218,009.07 = 94,313.70/x
  3. Step 3: Cross multiply
    157,977.27x = 218,009.07 × 94,313.70
  4. Step 4: Simplify right side
    157,977.27x = 20,561,242,025.26
  5. Step 5: Solve for x
    x = 20,561,242,025.26/157,977.27
  6. Step 6: Final answer
    x = 130,153.17

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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.