Home / 157,415.04-217,232.92-85,795.12

Finding the Fourth Proportional to 157,415.04, 217,232.92 and 85,795.12

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Solution

The fourth proportional to 157,415.04, 217,232.92 and 85,795.12 is: 118,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,415.04 : 217,232.92 = 85,795.12 : x
  2. Step 2: Convert to fraction form
    157,415.04/217,232.92 = 85,795.12/x
  3. Step 3: Cross multiply
    157,415.04x = 217,232.92 × 85,795.12
  4. Step 4: Simplify right side
    157,415.04x = 18,637,524,439.35
  5. Step 5: Solve for x
    x = 18,637,524,439.35/157,415.04
  6. Step 6: Final answer
    x = 118,397.36

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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.