Home / 155,750.27-214,935.34-84,130.29

Finding the Fourth Proportional to 155,750.27, 214,935.34 and 84,130.29

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Solution

The fourth proportional to 155,750.27, 214,935.34 and 84,130.29 is: 116,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,750.27 : 214,935.34 = 84,130.29 : x
  2. Step 2: Convert to fraction form
    155,750.27/214,935.34 = 84,130.29/x
  3. Step 3: Cross multiply
    155,750.27x = 214,935.34 × 84,130.29
  4. Step 4: Simplify right side
    155,750.27x = 18,082,572,275.12
  5. Step 5: Solve for x
    x = 18,082,572,275.12/155,750.27
  6. Step 6: Final answer
    x = 116,099.78

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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.