Home / 112,920.96-169,426.08-42,818.88

Finding the Fourth Proportional to 112,920.96, 169,426.08 and 42,818.88

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Solution

The fourth proportional to 112,920.96, 169,426.08 and 42,818.88 is: 64,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,920.96 : 169,426.08 = 42,818.88 : x
  2. Step 2: Convert to fraction form
    112,920.96/169,426.08 = 42,818.88/x
  3. Step 3: Cross multiply
    112,920.96x = 169,426.08 × 42,818.88
  4. Step 4: Simplify right side
    112,920.96x = 7,254,634,988.39
  5. Step 5: Solve for x
    x = 7,254,634,988.39/112,920.96
  6. Step 6: Final answer
    x = 64,245.25

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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.