Home / 90,343.04-135,522.90-23,783.52

Finding the Fourth Proportional to 90,343.04, 135,522.90 and 23,783.52

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Solution

The fourth proportional to 90,343.04, 135,522.90 and 23,783.52 is: 35,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,343.04 : 135,522.90 = 23,783.52 : x
  2. Step 2: Convert to fraction form
    90,343.04/135,522.90 = 23,783.52/x
  3. Step 3: Cross multiply
    90,343.04x = 135,522.90 × 23,783.52
  4. Step 4: Simplify right side
    90,343.04x = 3,223,211,602.61
  5. Step 5: Solve for x
    x = 3,223,211,602.61/90,343.04
  6. Step 6: Final answer
    x = 35,677.48

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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.