Home / 97,165.72-134,150.60-79,303.34

Finding the Fourth Proportional to 97,165.72, 134,150.60 and 79,303.34

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Solution

The fourth proportional to 97,165.72, 134,150.60 and 79,303.34 is: 109,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,165.72 : 134,150.60 = 79,303.34 : x
  2. Step 2: Convert to fraction form
    97,165.72/134,150.60 = 79,303.34/x
  3. Step 3: Cross multiply
    97,165.72x = 134,150.60 × 79,303.34
  4. Step 4: Simplify right side
    97,165.72x = 10,638,590,643.00
  5. Step 5: Solve for x
    x = 10,638,590,643.00/97,165.72
  6. Step 6: Final answer
    x = 109,489.14

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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.