Home / 127,623.37-175,931.43-81,677.92

Finding the Fourth Proportional to 127,623.37, 175,931.43 and 81,677.92

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Solution

The fourth proportional to 127,623.37, 175,931.43 and 81,677.92 is: 112,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,623.37 : 175,931.43 = 81,677.92 : x
  2. Step 2: Convert to fraction form
    127,623.37/175,931.43 = 81,677.92/x
  3. Step 3: Cross multiply
    127,623.37x = 175,931.43 × 81,677.92
  4. Step 4: Simplify right side
    127,623.37x = 14,369,713,265.03
  5. Step 5: Solve for x
    x = 14,369,713,265.03/127,623.37
  6. Step 6: Final answer
    x = 112,594.69

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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.