Home / 97,720.08-134,856.72-55,277.76

Finding the Fourth Proportional to 97,720.08, 134,856.72 and 55,277.76

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Solution

The fourth proportional to 97,720.08, 134,856.72 and 55,277.76 is: 76,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,720.08 : 134,856.72 = 55,277.76 : x
  2. Step 2: Convert to fraction form
    97,720.08/134,856.72 = 55,277.76/x
  3. Step 3: Cross multiply
    97,720.08x = 134,856.72 × 55,277.76
  4. Step 4: Simplify right side
    97,720.08x = 7,454,577,402.55
  5. Step 5: Solve for x
    x = 7,454,577,402.55/97,720.08
  6. Step 6: Final answer
    x = 76,285.01

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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.