Home / 112,675.50-155,446.65-64,903.26

Finding the Fourth Proportional to 112,675.50, 155,446.65 and 64,903.26

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Solution

The fourth proportional to 112,675.50, 155,446.65 and 64,903.26 is: 89,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,675.50 : 155,446.65 = 64,903.26 : x
  2. Step 2: Convert to fraction form
    112,675.50/155,446.65 = 64,903.26/x
  3. Step 3: Cross multiply
    112,675.50x = 155,446.65 × 64,903.26
  4. Step 4: Simplify right side
    112,675.50x = 10,088,994,341.08
  5. Step 5: Solve for x
    x = 10,088,994,341.08/112,675.50
  6. Step 6: Final answer
    x = 89,540.27

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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.