Home / 143,612.40-215,428.20-48,841.20

Finding the Fourth Proportional to 143,612.40, 215,428.20 and 48,841.20

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Solution

The fourth proportional to 143,612.40, 215,428.20 and 48,841.20 is: 73,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,612.40 : 215,428.20 = 48,841.20 : x
  2. Step 2: Convert to fraction form
    143,612.40/215,428.20 = 48,841.20/x
  3. Step 3: Cross multiply
    143,612.40x = 215,428.20 × 48,841.20
  4. Step 4: Simplify right side
    143,612.40x = 10,521,771,801.84
  5. Step 5: Solve for x
    x = 10,521,771,801.84/143,612.40
  6. Step 6: Final answer
    x = 73,265.06

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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.