Home / 109,026.20-163,643.70-56,473.40

Finding the Fourth Proportional to 109,026.20, 163,643.70 and 56,473.40

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Solution

The fourth proportional to 109,026.20, 163,643.70 and 56,473.40 is: 84,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,026.20 : 163,643.70 = 56,473.40 : x
  2. Step 2: Convert to fraction form
    109,026.20/163,643.70 = 56,473.40/x
  3. Step 3: Cross multiply
    109,026.20x = 163,643.70 × 56,473.40
  4. Step 4: Simplify right side
    109,026.20x = 9,241,516,127.58
  5. Step 5: Solve for x
    x = 9,241,516,127.58/109,026.20
  6. Step 6: Final answer
    x = 84,764.18

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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.