Home / 238,803.90-329,547.02-131,374.05

Finding the Fourth Proportional to 238,803.90, 329,547.02 and 131,374.05

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Solution

The fourth proportional to 238,803.90, 329,547.02 and 131,374.05 is: 181,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,803.90 : 329,547.02 = 131,374.05 : x
  2. Step 2: Convert to fraction form
    238,803.90/329,547.02 = 131,374.05/x
  3. Step 3: Cross multiply
    238,803.90x = 329,547.02 × 131,374.05
  4. Step 4: Simplify right side
    238,803.90x = 43,293,926,025.96
  5. Step 5: Solve for x
    x = 43,293,926,025.96/238,803.90
  6. Step 6: Final answer
    x = 181,294.89

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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.