Home / 215,422.50-297,089.51-134,857.36

Finding the Fourth Proportional to 215,422.50, 297,089.51 and 134,857.36

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Solution

The fourth proportional to 215,422.50, 297,089.51 and 134,857.36 is: 185,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,422.50 : 297,089.51 = 134,857.36 : x
  2. Step 2: Convert to fraction form
    215,422.50/297,089.51 = 134,857.36/x
  3. Step 3: Cross multiply
    215,422.50x = 297,089.51 × 134,857.36
  4. Step 4: Simplify right side
    215,422.50x = 40,064,707,002.29
  5. Step 5: Solve for x
    x = 40,064,707,002.29/215,422.50
  6. Step 6: Final answer
    x = 185,982.00

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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.