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Finding the Fourth Proportional to 134,859.60, 202,362.30 and 59,991.30

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Solution

The fourth proportional to 134,859.60, 202,362.30 and 59,991.30 is: 90,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,859.60 : 202,362.30 = 59,991.30 : x
  2. Step 2: Convert to fraction form
    134,859.60/202,362.30 = 59,991.30/x
  3. Step 3: Cross multiply
    134,859.60x = 202,362.30 × 59,991.30
  4. Step 4: Simplify right side
    134,859.60x = 12,139,977,447.99
  5. Step 5: Solve for x
    x = 12,139,977,447.99/134,859.60
  6. Step 6: Final answer
    x = 90,019.38

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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.