Home / 97,187.88-145,781.76-55,605.72

Finding the Fourth Proportional to 97,187.88, 145,781.76 and 55,605.72

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Solution

The fourth proportional to 97,187.88, 145,781.76 and 55,605.72 is: 83,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,187.88 : 145,781.76 = 55,605.72 : x
  2. Step 2: Convert to fraction form
    97,187.88/145,781.76 = 55,605.72/x
  3. Step 3: Cross multiply
    97,187.88x = 145,781.76 × 55,605.72
  4. Step 4: Simplify right side
    97,187.88x = 8,106,299,727.67
  5. Step 5: Solve for x
    x = 8,106,299,727.67/97,187.88
  6. Step 6: Final answer
    x = 83,408.55

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1.5x scale

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.