Home / 89,275.95-133,820.47-30,091.16

Finding the Fourth Proportional to 89,275.95, 133,820.47 and 30,091.16

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Solution

The fourth proportional to 89,275.95, 133,820.47 and 30,091.16 is: 45,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,275.95 : 133,820.47 = 30,091.16 : x
  2. Step 2: Convert to fraction form
    89,275.95/133,820.47 = 30,091.16/x
  3. Step 3: Cross multiply
    89,275.95x = 133,820.47 × 30,091.16
  4. Step 4: Simplify right side
    89,275.95x = 4,026,813,174.05
  5. Step 5: Solve for x
    x = 4,026,813,174.05/89,275.95
  6. Step 6: Final answer
    x = 45,105.24

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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.