Home / 89,425.89-134,055.45-30,220.16

Finding the Fourth Proportional to 89,425.89, 134,055.45 and 30,220.16

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Solution

The fourth proportional to 89,425.89, 134,055.45 and 30,220.16 is: 45,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,425.89 : 134,055.45 = 30,220.16 : x
  2. Step 2: Convert to fraction form
    89,425.89/134,055.45 = 30,220.16/x
  3. Step 3: Cross multiply
    89,425.89x = 134,055.45 × 30,220.16
  4. Step 4: Simplify right side
    89,425.89x = 4,051,176,477.59
  5. Step 5: Solve for x
    x = 4,051,176,477.59/89,425.89
  6. Step 6: Final answer
    x = 45,302.05

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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.