Home / 237,742.15-328,117.80-147,127.30

Finding the Fourth Proportional to 237,742.15, 328,117.80 and 147,127.30

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Solution

The fourth proportional to 237,742.15, 328,117.80 and 147,127.30 is: 203,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,742.15 : 328,117.80 = 147,127.30 : x
  2. Step 2: Convert to fraction form
    237,742.15/328,117.80 = 147,127.30/x
  3. Step 3: Cross multiply
    237,742.15x = 328,117.80 × 147,127.30
  4. Step 4: Simplify right side
    237,742.15x = 48,275,084,355.35
  5. Step 5: Solve for x
    x = 48,275,084,355.35/237,742.15
  6. Step 6: Final answer
    x = 203,056.49

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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.