Home / 109,188.65-163,782.02-30,302.88

Finding the Fourth Proportional to 109,188.65, 163,782.02 and 30,302.88

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Solution

The fourth proportional to 109,188.65, 163,782.02 and 30,302.88 is: 45,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188.65 : 163,782.02 = 30,302.88 : x
  2. Step 2: Convert to fraction form
    109,188.65/163,782.02 = 30,302.88/x
  3. Step 3: Cross multiply
    109,188.65x = 163,782.02 × 30,302.88
  4. Step 4: Simplify right side
    109,188.65x = 4,963,066,898.22
  5. Step 5: Solve for x
    x = 4,963,066,898.22/109,188.65
  6. Step 6: Final answer
    x = 45,454.05

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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.