Home / 97,967.48-135,038.72-77,237.04

Finding the Fourth Proportional to 97,967.48, 135,038.72 and 77,237.04

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Solution

The fourth proportional to 97,967.48, 135,038.72 and 77,237.04 is: 106,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,967.48 : 135,038.72 = 77,237.04 : x
  2. Step 2: Convert to fraction form
    97,967.48/135,038.72 = 77,237.04/x
  3. Step 3: Cross multiply
    97,967.48x = 135,038.72 × 77,237.04
  4. Step 4: Simplify right side
    97,967.48x = 10,429,991,018.19
  5. Step 5: Solve for x
    x = 10,429,991,018.19/97,967.48
  6. Step 6: Final answer
    x = 106,463.81

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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.