Home / 159,130.90-238,678.50-40,805.02

Finding the Fourth Proportional to 159,130.90, 238,678.50 and 40,805.02

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Solution

The fourth proportional to 159,130.90, 238,678.50 and 40,805.02 is: 61,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,130.90 : 238,678.50 = 40,805.02 : x
  2. Step 2: Convert to fraction form
    159,130.90/238,678.50 = 40,805.02/x
  3. Step 3: Cross multiply
    159,130.90x = 238,678.50 × 40,805.02
  4. Step 4: Simplify right side
    159,130.90x = 9,739,280,966.07
  5. Step 5: Solve for x
    x = 9,739,280,966.07/159,130.90
  6. Step 6: Final answer
    x = 61,202.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.