Home / 142,729.10-214,093.65-83,534.30

Finding the Fourth Proportional to 142,729.10, 214,093.65 and 83,534.30

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Solution

The fourth proportional to 142,729.10, 214,093.65 and 83,534.30 is: 125,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,729.10 : 214,093.65 = 83,534.30 : x
  2. Step 2: Convert to fraction form
    142,729.10/214,093.65 = 83,534.30/x
  3. Step 3: Cross multiply
    142,729.10x = 214,093.65 × 83,534.30
  4. Step 4: Simplify right side
    142,729.10x = 17,884,163,187.20
  5. Step 5: Solve for x
    x = 17,884,163,187.20/142,729.10
  6. Step 6: Final answer
    x = 125,301.45

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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.