Home / 90,024.02-135,052.43-30,865.67

Finding the Fourth Proportional to 90,024.02, 135,052.43 and 30,865.67

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Solution

The fourth proportional to 90,024.02, 135,052.43 and 30,865.67 is: 46,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024.02 : 135,052.43 = 30,865.67 : x
  2. Step 2: Convert to fraction form
    90,024.02/135,052.43 = 30,865.67/x
  3. Step 3: Cross multiply
    90,024.02x = 135,052.43 × 30,865.67
  4. Step 4: Simplify right side
    90,024.02x = 4,168,483,737.08
  5. Step 5: Solve for x
    x = 4,168,483,737.08/90,024.02
  6. Step 6: Final answer
    x = 46,304.13

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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.