Home / 170,938.48-256,361.64-77,350

Finding the Fourth Proportional to 170,938.48, 256,361.64 and 77,350

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Solution

The fourth proportional to 170,938.48, 256,361.64 and 77,350 is: 116,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,938.48 : 256,361.64 = 77,350 : x
  2. Step 2: Convert to fraction form
    170,938.48/256,361.64 = 77,350/x
  3. Step 3: Cross multiply
    170,938.48x = 256,361.64 × 77,350
  4. Step 4: Simplify right side
    170,938.48x = 19,829,572,854
  5. Step 5: Solve for x
    x = 19,829,572,854/170,938.48
  6. Step 6: Final answer
    x = 116,004.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.