Home / 96,280.20-144,420.30-64,787.40

Finding the Fourth Proportional to 96,280.20, 144,420.30 and 64,787.40

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Solution

The fourth proportional to 96,280.20, 144,420.30 and 64,787.40 is: 97,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,280.20 : 144,420.30 = 64,787.40 : x
  2. Step 2: Convert to fraction form
    96,280.20/144,420.30 = 64,787.40/x
  3. Step 3: Cross multiply
    96,280.20x = 144,420.30 × 64,787.40
  4. Step 4: Simplify right side
    96,280.20x = 9,356,615,744.22
  5. Step 5: Solve for x
    x = 9,356,615,744.22/96,280.20
  6. Step 6: Final answer
    x = 97,181.10

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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.