Home / 158,155.40-237,111.60-79,326.20

Finding the Fourth Proportional to 158,155.40, 237,111.60 and 79,326.20

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Solution

The fourth proportional to 158,155.40, 237,111.60 and 79,326.20 is: 118,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,155.40 : 237,111.60 = 79,326.20 : x
  2. Step 2: Convert to fraction form
    158,155.40/237,111.60 = 79,326.20/x
  3. Step 3: Cross multiply
    158,155.40x = 237,111.60 × 79,326.20
  4. Step 4: Simplify right side
    158,155.40x = 18,809,162,203.92
  5. Step 5: Solve for x
    x = 18,809,162,203.92/158,155.40
  6. Step 6: Final answer
    x = 118,928.36

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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.