Home / 112,052.53-154,632.52-61,065.28

Finding the Fourth Proportional to 112,052.53, 154,632.52 and 61,065.28

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Solution

The fourth proportional to 112,052.53, 154,632.52 and 61,065.28 is: 84,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,052.53 : 154,632.52 = 61,065.28 : x
  2. Step 2: Convert to fraction form
    112,052.53/154,632.52 = 61,065.28/x
  3. Step 3: Cross multiply
    112,052.53x = 154,632.52 × 61,065.28
  4. Step 4: Simplify right side
    112,052.53x = 9,442,678,130.91
  5. Step 5: Solve for x
    x = 9,442,678,130.91/112,052.53
  6. Step 6: Final answer
    x = 84,270.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.