Home / 173,397.10-260,095.65-90,280.30

Finding the Fourth Proportional to 173,397.10, 260,095.65 and 90,280.30

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Solution

The fourth proportional to 173,397.10, 260,095.65 and 90,280.30 is: 135,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,397.10 : 260,095.65 = 90,280.30 : x
  2. Step 2: Convert to fraction form
    173,397.10/260,095.65 = 90,280.30/x
  3. Step 3: Cross multiply
    173,397.10x = 260,095.65 × 90,280.30
  4. Step 4: Simplify right side
    173,397.10x = 23,481,513,310.70
  5. Step 5: Solve for x
    x = 23,481,513,310.70/173,397.10
  6. Step 6: Final answer
    x = 135,420.45

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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.