Home / 112,465.40-168,503.70-73,002.20

Finding the Fourth Proportional to 112,465.40, 168,503.70 and 73,002.20

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Solution

The fourth proportional to 112,465.40, 168,503.70 and 73,002.20 is: 109,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,465.40 : 168,503.70 = 73,002.20 : x
  2. Step 2: Convert to fraction form
    112,465.40/168,503.70 = 73,002.20/x
  3. Step 3: Cross multiply
    112,465.40x = 168,503.70 × 73,002.20
  4. Step 4: Simplify right side
    112,465.40x = 12,301,140,808.14
  5. Step 5: Solve for x
    x = 12,301,140,808.14/112,465.40
  6. Step 6: Final answer
    x = 109,377.11

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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.