Home / 149,548.02-206,352.45-89,117.16

Finding the Fourth Proportional to 149,548.02, 206,352.45 and 89,117.16

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Solution

The fourth proportional to 149,548.02, 206,352.45 and 89,117.16 is: 122,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,548.02 : 206,352.45 = 89,117.16 : x
  2. Step 2: Convert to fraction form
    149,548.02/206,352.45 = 89,117.16/x
  3. Step 3: Cross multiply
    149,548.02x = 206,352.45 × 89,117.16
  4. Step 4: Simplify right side
    149,548.02x = 18,389,544,303.04
  5. Step 5: Solve for x
    x = 18,389,544,303.04/149,548.02
  6. Step 6: Final answer
    x = 122,967.49

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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.