Home / 97,943-135,192.08-55,529.76

Finding the Fourth Proportional to 97,943, 135,192.08 and 55,529.76

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Solution

The fourth proportional to 97,943, 135,192.08 and 55,529.76 is: 76,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,943 : 135,192.08 = 55,529.76 : x
  2. Step 2: Convert to fraction form
    97,943/135,192.08 = 55,529.76/x
  3. Step 3: Cross multiply
    97,943x = 135,192.08 × 55,529.76
  4. Step 4: Simplify right side
    97,943x = 7,507,183,756.30
  5. Step 5: Solve for x
    x = 7,507,183,756.30/97,943
  6. Step 6: Final answer
    x = 76,648.50

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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.