Home / 97,247.43-134,212.19-56,420.55

Finding the Fourth Proportional to 97,247.43, 134,212.19 and 56,420.55

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Solution

The fourth proportional to 97,247.43, 134,212.19 and 56,420.55 is: 77,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,247.43 : 134,212.19 = 56,420.55 : x
  2. Step 2: Convert to fraction form
    97,247.43/134,212.19 = 56,420.55/x
  3. Step 3: Cross multiply
    97,247.43x = 134,212.19 × 56,420.55
  4. Step 4: Simplify right side
    97,247.43x = 7,572,325,576.50
  5. Step 5: Solve for x
    x = 7,572,325,576.50/97,247.43
  6. Step 6: Final answer
    x = 77,866.59

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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.