Home / 105,489.72-145,547.01-60,151.14

Finding the Fourth Proportional to 105,489.72, 145,547.01 and 60,151.14

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Solution

The fourth proportional to 105,489.72, 145,547.01 and 60,151.14 is: 82,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489.72 : 145,547.01 = 60,151.14 : x
  2. Step 2: Convert to fraction form
    105,489.72/145,547.01 = 60,151.14/x
  3. Step 3: Cross multiply
    105,489.72x = 145,547.01 × 60,151.14
  4. Step 4: Simplify right side
    105,489.72x = 8,754,818,575.09
  5. Step 5: Solve for x
    x = 8,754,818,575.09/105,489.72
  6. Step 6: Final answer
    x = 82,992.15

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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.