Home / 238,079.15-328,554.61-130,655.98

Finding the Fourth Proportional to 238,079.15, 328,554.61 and 130,655.98

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Solution

The fourth proportional to 238,079.15, 328,554.61 and 130,655.98 is: 180,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,079.15 : 328,554.61 = 130,655.98 : x
  2. Step 2: Convert to fraction form
    238,079.15/328,554.61 = 130,655.98/x
  3. Step 3: Cross multiply
    238,079.15x = 328,554.61 × 130,655.98
  4. Step 4: Simplify right side
    238,079.15x = 42,927,624,553.07
  5. Step 5: Solve for x
    x = 42,927,624,553.07/238,079.15
  6. Step 6: Final answer
    x = 180,308.21

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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.