Home / 144,056.16-198,807.48-80,406.36

Finding the Fourth Proportional to 144,056.16, 198,807.48 and 80,406.36

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Solution

The fourth proportional to 144,056.16, 198,807.48 and 80,406.36 is: 110,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,056.16 : 198,807.48 = 80,406.36 : x
  2. Step 2: Convert to fraction form
    144,056.16/198,807.48 = 80,406.36/x
  3. Step 3: Cross multiply
    144,056.16x = 198,807.48 × 80,406.36
  4. Step 4: Simplify right side
    144,056.16x = 15,985,385,807.57
  5. Step 5: Solve for x
    x = 15,985,385,807.57/144,056.16
  6. Step 6: Final answer
    x = 110,966.35

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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.