Home / 112,839.20-169,210.20-56,657.60

Finding the Fourth Proportional to 112,839.20, 169,210.20 and 56,657.60

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Solution

The fourth proportional to 112,839.20, 169,210.20 and 56,657.60 is: 84,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,839.20 : 169,210.20 = 56,657.60 : x
  2. Step 2: Convert to fraction form
    112,839.20/169,210.20 = 56,657.60/x
  3. Step 3: Cross multiply
    112,839.20x = 169,210.20 × 56,657.60
  4. Step 4: Simplify right side
    112,839.20x = 9,587,043,827.52
  5. Step 5: Solve for x
    x = 9,587,043,827.52/112,839.20
  6. Step 6: Final answer
    x = 84,962.00

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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.