Home / 112,521.04-155,273.96-61,532.40

Finding the Fourth Proportional to 112,521.04, 155,273.96 and 61,532.40

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Solution

The fourth proportional to 112,521.04, 155,273.96 and 61,532.40 is: 84,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,521.04 : 155,273.96 = 61,532.40 : x
  2. Step 2: Convert to fraction form
    112,521.04/155,273.96 = 61,532.40/x
  3. Step 3: Cross multiply
    112,521.04x = 155,273.96 × 61,532.40
  4. Step 4: Simplify right side
    112,521.04x = 9,554,379,416.30
  5. Step 5: Solve for x
    x = 9,554,379,416.30/112,521.04
  6. Step 6: Final answer
    x = 84,911.94

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1.5x scale

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.