Home / 173,407.10-260,110.65-89,426.30

Finding the Fourth Proportional to 173,407.10, 260,110.65 and 89,426.30

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Solution

The fourth proportional to 173,407.10, 260,110.65 and 89,426.30 is: 134,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,407.10 : 260,110.65 = 89,426.30 : x
  2. Step 2: Convert to fraction form
    173,407.10/260,110.65 = 89,426.30/x
  3. Step 3: Cross multiply
    173,407.10x = 260,110.65 × 89,426.30
  4. Step 4: Simplify right side
    173,407.10x = 23,260,733,020.10
  5. Step 5: Solve for x
    x = 23,260,733,020.10/173,407.10
  6. Step 6: Final answer
    x = 134,139.45

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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.