Home / 102,321.55-153,503.16-43,157.44

Finding the Fourth Proportional to 102,321.55, 153,503.16 and 43,157.44

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Solution

The fourth proportional to 102,321.55, 153,503.16 and 43,157.44 is: 64,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,321.55 : 153,503.16 = 43,157.44 : x
  2. Step 2: Convert to fraction form
    102,321.55/153,503.16 = 43,157.44/x
  3. Step 3: Cross multiply
    102,321.55x = 153,503.16 × 43,157.44
  4. Step 4: Simplify right side
    102,321.55x = 6,624,803,417.51
  5. Step 5: Solve for x
    x = 6,624,803,417.51/102,321.55
  6. Step 6: Final answer
    x = 64,744.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.