Home / 97,039.16-145,558.73-26,918.47

Finding the Fourth Proportional to 97,039.16, 145,558.73 and 26,918.47

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Solution

The fourth proportional to 97,039.16, 145,558.73 and 26,918.47 is: 40,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,039.16 : 145,558.73 = 26,918.47 : x
  2. Step 2: Convert to fraction form
    97,039.16/145,558.73 = 26,918.47/x
  3. Step 3: Cross multiply
    97,039.16x = 145,558.73 × 26,918.47
  4. Step 4: Simplify right side
    97,039.16x = 3,918,218,306.74
  5. Step 5: Solve for x
    x = 3,918,218,306.74/97,039.16
  6. Step 6: Final answer
    x = 40,377.70

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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.