Home / 158,102.80-237,194.70-91,423.60

Finding the Fourth Proportional to 158,102.80, 237,194.70 and 91,423.60

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Solution

The fourth proportional to 158,102.80, 237,194.70 and 91,423.60 is: 137,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,102.80 : 237,194.70 = 91,423.60 : x
  2. Step 2: Convert to fraction form
    158,102.80/237,194.70 = 91,423.60/x
  3. Step 3: Cross multiply
    158,102.80x = 237,194.70 × 91,423.60
  4. Step 4: Simplify right side
    158,102.80x = 21,685,193,374.92
  5. Step 5: Solve for x
    x = 21,685,193,374.92/158,102.80
  6. Step 6: Final answer
    x = 137,158.82

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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.