Home / 136,280.02-204,345.84-47,509.66

Finding the Fourth Proportional to 136,280.02, 204,345.84 and 47,509.66

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Solution

The fourth proportional to 136,280.02, 204,345.84 and 47,509.66 is: 71,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,280.02 : 204,345.84 = 47,509.66 : x
  2. Step 2: Convert to fraction form
    136,280.02/204,345.84 = 47,509.66/x
  3. Step 3: Cross multiply
    136,280.02x = 204,345.84 × 47,509.66
  4. Step 4: Simplify right side
    136,280.02x = 9,708,401,380.81
  5. Step 5: Solve for x
    x = 9,708,401,380.81/136,280.02
  6. Step 6: Final answer
    x = 71,238.63

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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.