Home / 139,534.02-209,301.84-34,352.28

Finding the Fourth Proportional to 139,534.02, 209,301.84 and 34,352.28

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Solution

The fourth proportional to 139,534.02, 209,301.84 and 34,352.28 is: 51,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,534.02 : 209,301.84 = 34,352.28 : x
  2. Step 2: Convert to fraction form
    139,534.02/209,301.84 = 34,352.28/x
  3. Step 3: Cross multiply
    139,534.02x = 209,301.84 × 34,352.28
  4. Step 4: Simplify right side
    139,534.02x = 7,189,995,412.20
  5. Step 5: Solve for x
    x = 7,189,995,412.20/139,534.02
  6. Step 6: Final answer
    x = 51,528.62

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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.