Home / 102,280.80-153,421.20-32,181.60

Finding the Fourth Proportional to 102,280.80, 153,421.20 and 32,181.60

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Solution

The fourth proportional to 102,280.80, 153,421.20 and 32,181.60 is: 48,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,280.80 : 153,421.20 = 32,181.60 : x
  2. Step 2: Convert to fraction form
    102,280.80/153,421.20 = 32,181.60/x
  3. Step 3: Cross multiply
    102,280.80x = 153,421.20 × 32,181.60
  4. Step 4: Simplify right side
    102,280.80x = 4,937,339,689.92
  5. Step 5: Solve for x
    x = 4,937,339,689.92/102,280.80
  6. Step 6: Final answer
    x = 48,272.40

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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.