Home / 89,475.68-134,130.09-30,270.15

Finding the Fourth Proportional to 89,475.68, 134,130.09 and 30,270.15

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Solution

The fourth proportional to 89,475.68, 134,130.09 and 30,270.15 is: 45,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,475.68 : 134,130.09 = 30,270.15 : x
  2. Step 2: Convert to fraction form
    89,475.68/134,130.09 = 30,270.15/x
  3. Step 3: Cross multiply
    89,475.68x = 134,130.09 × 30,270.15
  4. Step 4: Simplify right side
    89,475.68x = 4,060,137,943.81
  5. Step 5: Solve for x
    x = 4,060,137,943.81/89,475.68
  6. Step 6: Final answer
    x = 45,377.00

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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.