Home / 127,291.28-175,664.75-69,931.34

Finding the Fourth Proportional to 127,291.28, 175,664.75 and 69,931.34

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Solution

The fourth proportional to 127,291.28, 175,664.75 and 69,931.34 is: 96,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,291.28 : 175,664.75 = 69,931.34 : x
  2. Step 2: Convert to fraction form
    127,291.28/175,664.75 = 69,931.34/x
  3. Step 3: Cross multiply
    127,291.28x = 175,664.75 × 69,931.34
  4. Step 4: Simplify right side
    127,291.28x = 12,284,470,130.28
  5. Step 5: Solve for x
    x = 12,284,470,130.28/127,291.28
  6. Step 6: Final answer
    x = 96,506.77

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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.