Home / 157,443.08-217,277.52-85,827.20

Finding the Fourth Proportional to 157,443.08, 217,277.52 and 85,827.20

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Solution

The fourth proportional to 157,443.08, 217,277.52 and 85,827.20 is: 118,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,443.08 : 217,277.52 = 85,827.20 : x
  2. Step 2: Convert to fraction form
    157,443.08/217,277.52 = 85,827.20/x
  3. Step 3: Cross multiply
    157,443.08x = 217,277.52 × 85,827.20
  4. Step 4: Simplify right side
    157,443.08x = 18,648,321,164.54
  5. Step 5: Solve for x
    x = 18,648,321,164.54/157,443.08
  6. Step 6: Final answer
    x = 118,444.84

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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.