Home / 97,427.70-134,463.78-57,154.50

Finding the Fourth Proportional to 97,427.70, 134,463.78 and 57,154.50

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Solution

The fourth proportional to 97,427.70, 134,463.78 and 57,154.50 is: 78,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,427.70 : 134,463.78 = 57,154.50 : x
  2. Step 2: Convert to fraction form
    97,427.70/134,463.78 = 57,154.50/x
  3. Step 3: Cross multiply
    97,427.70x = 134,463.78 × 57,154.50
  4. Step 4: Simplify right side
    97,427.70x = 7,685,210,114.01
  5. Step 5: Solve for x
    x = 7,685,210,114.01/97,427.70
  6. Step 6: Final answer
    x = 78,881.16

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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.