Home / 112,378.80-168,502.52-42,263.60

Finding the Fourth Proportional to 112,378.80, 168,502.52 and 42,263.60

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Solution

The fourth proportional to 112,378.80, 168,502.52 and 42,263.60 is: 63,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,378.80 : 168,502.52 = 42,263.60 : x
  2. Step 2: Convert to fraction form
    112,378.80/168,502.52 = 42,263.60/x
  3. Step 3: Cross multiply
    112,378.80x = 168,502.52 × 42,263.60
  4. Step 4: Simplify right side
    112,378.80x = 7,121,523,104.27
  5. Step 5: Solve for x
    x = 7,121,523,104.27/112,378.80
  6. Step 6: Final answer
    x = 63,370.70

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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.