Home / 149,730.20-206,578.08-98,768.24

Finding the Fourth Proportional to 149,730.20, 206,578.08 and 98,768.24

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Solution

The fourth proportional to 149,730.20, 206,578.08 and 98,768.24 is: 136,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,730.20 : 206,578.08 = 98,768.24 : x
  2. Step 2: Convert to fraction form
    149,730.20/206,578.08 = 98,768.24/x
  3. Step 3: Cross multiply
    149,730.20x = 206,578.08 × 98,768.24
  4. Step 4: Simplify right side
    149,730.20x = 20,403,353,384.18
  5. Step 5: Solve for x
    x = 20,403,353,384.18/149,730.20
  6. Step 6: Final answer
    x = 136,267.46

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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.