Home / 112,763.08-155,538.04-72,527.74

Finding the Fourth Proportional to 112,763.08, 155,538.04 and 72,527.74

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Solution

The fourth proportional to 112,763.08, 155,538.04 and 72,527.74 is: 100,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,763.08 : 155,538.04 = 72,527.74 : x
  2. Step 2: Convert to fraction form
    112,763.08/155,538.04 = 72,527.74/x
  3. Step 3: Cross multiply
    112,763.08x = 155,538.04 × 72,527.74
  4. Step 4: Simplify right side
    112,763.08x = 11,280,822,525.23
  5. Step 5: Solve for x
    x = 11,280,822,525.23/112,763.08
  6. Step 6: Final answer
    x = 100,040.04

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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.