Home / 96,740.70-145,111.05-73,121.10

Finding the Fourth Proportional to 96,740.70, 145,111.05 and 73,121.10

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Solution

The fourth proportional to 96,740.70, 145,111.05 and 73,121.10 is: 109,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,740.70 : 145,111.05 = 73,121.10 : x
  2. Step 2: Convert to fraction form
    96,740.70/145,111.05 = 73,121.10/x
  3. Step 3: Cross multiply
    96,740.70x = 145,111.05 × 73,121.10
  4. Step 4: Simplify right side
    96,740.70x = 10,610,679,598.16
  5. Step 5: Solve for x
    x = 10,610,679,598.16/96,740.70
  6. Step 6: Final answer
    x = 109,681.65

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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.