Home / 142,817.02-197,084.46-79,154.26

Finding the Fourth Proportional to 142,817.02, 197,084.46 and 79,154.26

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Solution

The fourth proportional to 142,817.02, 197,084.46 and 79,154.26 is: 109,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,817.02 : 197,084.46 = 79,154.26 : x
  2. Step 2: Convert to fraction form
    142,817.02/197,084.46 = 79,154.26/x
  3. Step 3: Cross multiply
    142,817.02x = 197,084.46 × 79,154.26
  4. Step 4: Simplify right side
    142,817.02x = 15,600,074,588.80
  5. Step 5: Solve for x
    x = 15,600,074,588.80/142,817.02
  6. Step 6: Final answer
    x = 109,231.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.