Home / 237,739.86-328,085.10-130,303.08

Finding the Fourth Proportional to 237,739.86, 328,085.10 and 130,303.08

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Solution

The fourth proportional to 237,739.86, 328,085.10 and 130,303.08 is: 179,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,739.86 : 328,085.10 = 130,303.08 : x
  2. Step 2: Convert to fraction form
    237,739.86/328,085.10 = 130,303.08/x
  3. Step 3: Cross multiply
    237,739.86x = 328,085.10 × 130,303.08
  4. Step 4: Simplify right side
    237,739.86x = 42,750,499,032.11
  5. Step 5: Solve for x
    x = 42,750,499,032.11/237,739.86
  6. Step 6: Final answer
    x = 179,820.49

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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.