Home / 97,363.36-134,346.24-54,920.80

Finding the Fourth Proportional to 97,363.36, 134,346.24 and 54,920.80

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Solution

The fourth proportional to 97,363.36, 134,346.24 and 54,920.80 is: 75,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,363.36 : 134,346.24 = 54,920.80 : x
  2. Step 2: Convert to fraction form
    97,363.36/134,346.24 = 54,920.80/x
  3. Step 3: Cross multiply
    97,363.36x = 134,346.24 × 54,920.80
  4. Step 4: Simplify right side
    97,363.36x = 7,378,402,977.79
  5. Step 5: Solve for x
    x = 7,378,402,977.79/97,363.36
  6. Step 6: Final answer
    x = 75,782.13

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1.5x scale

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.