Home / 158,139.36-237,209.04-72,741.60

Finding the Fourth Proportional to 158,139.36, 237,209.04 and 72,741.60

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Solution

The fourth proportional to 158,139.36, 237,209.04 and 72,741.60 is: 109,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,139.36 : 237,209.04 = 72,741.60 : x
  2. Step 2: Convert to fraction form
    158,139.36/237,209.04 = 72,741.60/x
  3. Step 3: Cross multiply
    158,139.36x = 237,209.04 × 72,741.60
  4. Step 4: Simplify right side
    158,139.36x = 17,254,965,104.06
  5. Step 5: Solve for x
    x = 17,254,965,104.06/158,139.36
  6. Step 6: Final answer
    x = 109,112.40

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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.