Home / 135,192.90-202,904.55-60,428.10

Finding the Fourth Proportional to 135,192.90, 202,904.55 and 60,428.10

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Solution

The fourth proportional to 135,192.90, 202,904.55 and 60,428.10 is: 90,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,192.90 : 202,904.55 = 60,428.10 : x
  2. Step 2: Convert to fraction form
    135,192.90/202,904.55 = 60,428.10/x
  3. Step 3: Cross multiply
    135,192.90x = 202,904.55 × 60,428.10
  4. Step 4: Simplify right side
    135,192.90x = 12,261,136,437.86
  5. Step 5: Solve for x
    x = 12,261,136,437.86/135,192.90
  6. Step 6: Final answer
    x = 90,693.64

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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.