Home / 93,779.32-140,515.62-90,280.12

Finding the Fourth Proportional to 93,779.32, 140,515.62 and 90,280.12

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Solution

The fourth proportional to 93,779.32, 140,515.62 and 90,280.12 is: 135,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,779.32 : 140,515.62 = 90,280.12 : x
  2. Step 2: Convert to fraction form
    93,779.32/140,515.62 = 90,280.12/x
  3. Step 3: Cross multiply
    93,779.32x = 140,515.62 × 90,280.12
  4. Step 4: Simplify right side
    93,779.32x = 12,685,767,035.47
  5. Step 5: Solve for x
    x = 12,685,767,035.47/93,779.32
  6. Step 6: Final answer
    x = 135,272.54

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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.