Home / 260,501.06-359,412.09-145,767.80

Finding the Fourth Proportional to 260,501.06, 359,412.09 and 145,767.80

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Solution

The fourth proportional to 260,501.06, 359,412.09 and 145,767.80 is: 201,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,501.06 : 359,412.09 = 145,767.80 : x
  2. Step 2: Convert to fraction form
    260,501.06/359,412.09 = 145,767.80/x
  3. Step 3: Cross multiply
    260,501.06x = 359,412.09 × 145,767.80
  4. Step 4: Simplify right side
    260,501.06x = 52,390,709,652.70
  5. Step 5: Solve for x
    x = 52,390,709,652.70/260,501.06
  6. Step 6: Final answer
    x = 201,115.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.