Home / 136,439.02-204,686.21-42,923.02

Finding the Fourth Proportional to 136,439.02, 204,686.21 and 42,923.02

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Solution

The fourth proportional to 136,439.02, 204,686.21 and 42,923.02 is: 64,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,439.02 : 204,686.21 = 42,923.02 : x
  2. Step 2: Convert to fraction form
    136,439.02/204,686.21 = 42,923.02/x
  3. Step 3: Cross multiply
    136,439.02x = 204,686.21 × 42,923.02
  4. Step 4: Simplify right side
    136,439.02x = 8,785,750,285.55
  5. Step 5: Solve for x
    x = 8,785,750,285.55/136,439.02
  6. Step 6: Final answer
    x = 64,393.24

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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.