Home / 109,277.80-163,931.30-38,192.20

Finding the Fourth Proportional to 109,277.80, 163,931.30 and 38,192.20

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Solution

The fourth proportional to 109,277.80, 163,931.30 and 38,192.20 is: 57,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,277.80 : 163,931.30 = 38,192.20 : x
  2. Step 2: Convert to fraction form
    109,277.80/163,931.30 = 38,192.20/x
  3. Step 3: Cross multiply
    109,277.80x = 163,931.30 × 38,192.20
  4. Step 4: Simplify right side
    109,277.80x = 6,260,896,995.86
  5. Step 5: Solve for x
    x = 6,260,896,995.86/109,277.80
  6. Step 6: Final answer
    x = 57,293.40

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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.