Home / 134,178.60-201,256.29-45,430.14

Finding the Fourth Proportional to 134,178.60, 201,256.29 and 45,430.14

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Solution

The fourth proportional to 134,178.60, 201,256.29 and 45,430.14 is: 68,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,178.60 : 201,256.29 = 45,430.14 : x
  2. Step 2: Convert to fraction form
    134,178.60/201,256.29 = 45,430.14/x
  3. Step 3: Cross multiply
    134,178.60x = 201,256.29 × 45,430.14
  4. Step 4: Simplify right side
    134,178.60x = 9,143,101,430.58
  5. Step 5: Solve for x
    x = 9,143,101,430.58/134,178.60
  6. Step 6: Final answer
    x = 68,141.28

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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.