Home / 127,535.13-176,017.73-73,855.22

Finding the Fourth Proportional to 127,535.13, 176,017.73 and 73,855.22

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Solution

The fourth proportional to 127,535.13, 176,017.73 and 73,855.22 is: 101,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,535.13 : 176,017.73 = 73,855.22 : x
  2. Step 2: Convert to fraction form
    127,535.13/176,017.73 = 73,855.22/x
  3. Step 3: Cross multiply
    127,535.13x = 176,017.73 × 73,855.22
  4. Step 4: Simplify right side
    127,535.13x = 12,999,826,923.69
  5. Step 5: Solve for x
    x = 12,999,826,923.69/127,535.13
  6. Step 6: Final answer
    x = 101,931.34

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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.