Home / 109,482.36-151,085.76-59,181.36

Finding the Fourth Proportional to 109,482.36, 151,085.76 and 59,181.36

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Solution

The fourth proportional to 109,482.36, 151,085.76 and 59,181.36 is: 81,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,482.36 : 151,085.76 = 59,181.36 : x
  2. Step 2: Convert to fraction form
    109,482.36/151,085.76 = 59,181.36/x
  3. Step 3: Cross multiply
    109,482.36x = 151,085.76 × 59,181.36
  4. Step 4: Simplify right side
    109,482.36x = 8,941,460,753.43
  5. Step 5: Solve for x
    x = 8,941,460,753.43/109,482.36
  6. Step 6: Final answer
    x = 81,670.33

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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.