Home / 215,410.75-297,273.68-134,812.51

Finding the Fourth Proportional to 215,410.75, 297,273.68 and 134,812.51

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Solution

The fourth proportional to 215,410.75, 297,273.68 and 134,812.51 is: 186,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,410.75 : 297,273.68 = 134,812.51 : x
  2. Step 2: Convert to fraction form
    215,410.75/297,273.68 = 134,812.51/x
  3. Step 3: Cross multiply
    215,410.75x = 297,273.68 × 134,812.51
  4. Step 4: Simplify right side
    215,410.75x = 40,076,210,957.74
  5. Step 5: Solve for x
    x = 40,076,210,957.74/215,410.75
  6. Step 6: Final answer
    x = 186,045.55

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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.