Home / 173,389.60-260,084.40-90,272.80

Finding the Fourth Proportional to 173,389.60, 260,084.40 and 90,272.80

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Solution

The fourth proportional to 173,389.60, 260,084.40 and 90,272.80 is: 135,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,389.60 : 260,084.40 = 90,272.80 : x
  2. Step 2: Convert to fraction form
    173,389.60/260,084.40 = 90,272.80/x
  3. Step 3: Cross multiply
    173,389.60x = 260,084.40 × 90,272.80
  4. Step 4: Simplify right side
    173,389.60x = 23,478,547,024.32
  5. Step 5: Solve for x
    x = 23,478,547,024.32/173,389.60
  6. Step 6: Final answer
    x = 135,409.20

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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.