Home / 135,088.40-202,690.20-64,931.60

Finding the Fourth Proportional to 135,088.40, 202,690.20 and 64,931.60

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Solution

The fourth proportional to 135,088.40, 202,690.20 and 64,931.60 is: 97,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,088.40 : 202,690.20 = 64,931.60 : x
  2. Step 2: Convert to fraction form
    135,088.40/202,690.20 = 64,931.60/x
  3. Step 3: Cross multiply
    135,088.40x = 202,690.20 × 64,931.60
  4. Step 4: Simplify right side
    135,088.40x = 13,160,998,990.32
  5. Step 5: Solve for x
    x = 13,160,998,990.32/135,088.40
  6. Step 6: Final answer
    x = 97,425.09

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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.