Home / 215,411.75-297,275.06-134,813.51

Finding the Fourth Proportional to 215,411.75, 297,275.06 and 134,813.51

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Solution

The fourth proportional to 215,411.75, 297,275.06 and 134,813.51 is: 186,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,411.75 : 297,275.06 = 134,813.51 : x
  2. Step 2: Convert to fraction form
    215,411.75/297,275.06 = 134,813.51/x
  3. Step 3: Cross multiply
    215,411.75x = 297,275.06 × 134,813.51
  4. Step 4: Simplify right side
    215,411.75x = 40,076,694,274.06
  5. Step 5: Solve for x
    x = 40,076,694,274.06/215,411.75
  6. Step 6: Final answer
    x = 186,046.93

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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.