Home / 163,520.64-245,276.10-45,199.08

Finding the Fourth Proportional to 163,520.64, 245,276.10 and 45,199.08

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Solution

The fourth proportional to 163,520.64, 245,276.10 and 45,199.08 is: 67,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,520.64 : 245,276.10 = 45,199.08 : x
  2. Step 2: Convert to fraction form
    163,520.64/245,276.10 = 45,199.08/x
  3. Step 3: Cross multiply
    163,520.64x = 245,276.10 × 45,199.08
  4. Step 4: Simplify right side
    163,520.64x = 11,086,254,065.99
  5. Step 5: Solve for x
    x = 11,086,254,065.99/163,520.64
  6. Step 6: Final answer
    x = 67,797.28

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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.