Home / 237,743.90-328,120.22-147,129.05

Finding the Fourth Proportional to 237,743.90, 328,120.22 and 147,129.05

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Solution

The fourth proportional to 237,743.90, 328,120.22 and 147,129.05 is: 203,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,743.90 : 328,120.22 = 147,129.05 : x
  2. Step 2: Convert to fraction form
    237,743.90/328,120.22 = 147,129.05/x
  3. Step 3: Cross multiply
    237,743.90x = 328,120.22 × 147,129.05
  4. Step 4: Simplify right side
    237,743.90x = 48,276,014,981.61
  5. Step 5: Solve for x
    x = 48,276,014,981.61/237,743.90
  6. Step 6: Final answer
    x = 203,058.90

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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.