Home / 230,549.64-318,158.81-127,181.50

Finding the Fourth Proportional to 230,549.64, 318,158.81 and 127,181.50

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Solution

The fourth proportional to 230,549.64, 318,158.81 and 127,181.50 is: 175,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,549.64 : 318,158.81 = 127,181.50 : x
  2. Step 2: Convert to fraction form
    230,549.64/318,158.81 = 127,181.50/x
  3. Step 3: Cross multiply
    230,549.64x = 318,158.81 × 127,181.50
  4. Step 4: Simplify right side
    230,549.64x = 40,463,915,171.46
  5. Step 5: Solve for x
    x = 40,463,915,171.46/230,549.64
  6. Step 6: Final answer
    x = 175,510.64

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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.