Home / 90,264.77-135,396.75-36,981.45

Finding the Fourth Proportional to 90,264.77, 135,396.75 and 36,981.45

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Solution

The fourth proportional to 90,264.77, 135,396.75 and 36,981.45 is: 55,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,264.77 : 135,396.75 = 36,981.45 : x
  2. Step 2: Convert to fraction form
    90,264.77/135,396.75 = 36,981.45/x
  3. Step 3: Cross multiply
    90,264.77x = 135,396.75 × 36,981.45
  4. Step 4: Simplify right side
    90,264.77x = 5,007,168,140.29
  5. Step 5: Solve for x
    x = 5,007,168,140.29/90,264.77
  6. Step 6: Final answer
    x = 55,472.01

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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.