Home / 157,322.96-217,103.73-85,701.45

Finding the Fourth Proportional to 157,322.96, 217,103.73 and 85,701.45

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Solution

The fourth proportional to 157,322.96, 217,103.73 and 85,701.45 is: 118,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,322.96 : 217,103.73 = 85,701.45 : x
  2. Step 2: Convert to fraction form
    157,322.96/217,103.73 = 85,701.45/x
  3. Step 3: Cross multiply
    157,322.96x = 217,103.73 × 85,701.45
  4. Step 4: Simplify right side
    157,322.96x = 18,606,104,215.03
  5. Step 5: Solve for x
    x = 18,606,104,215.03/157,322.96
  6. Step 6: Final answer
    x = 118,266.93

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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.