Home / 144,144.02-216,143.45-48,047.21

Finding the Fourth Proportional to 144,144.02, 216,143.45 and 48,047.21

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Solution

The fourth proportional to 144,144.02, 216,143.45 and 48,047.21 is: 72,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,144.02 : 216,143.45 = 48,047.21 : x
  2. Step 2: Convert to fraction form
    144,144.02/216,143.45 = 48,047.21/x
  3. Step 3: Cross multiply
    144,144.02x = 216,143.45 × 48,047.21
  4. Step 4: Simplify right side
    144,144.02x = 10,385,088,411.32
  5. Step 5: Solve for x
    x = 10,385,088,411.32/144,144.02
  6. Step 6: Final answer
    x = 72,046.61

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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.