Home / 312,171.19-430,796.24-168,931.23

Finding the Fourth Proportional to 312,171.19, 430,796.24 and 168,931.23

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Solution

The fourth proportional to 312,171.19, 430,796.24 and 168,931.23 is: 233,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,171.19 : 430,796.24 = 168,931.23 : x
  2. Step 2: Convert to fraction form
    312,171.19/430,796.24 = 168,931.23/x
  3. Step 3: Cross multiply
    312,171.19x = 430,796.24 × 168,931.23
  4. Step 4: Simplify right side
    312,171.19x = 72,774,939,124.90
  5. Step 5: Solve for x
    x = 72,774,939,124.90/312,171.19
  6. Step 6: Final answer
    x = 233,125.10

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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.