Home / 109,423.36-151,023.36-64,714.24

Finding the Fourth Proportional to 109,423.36, 151,023.36 and 64,714.24

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Solution

The fourth proportional to 109,423.36, 151,023.36 and 64,714.24 is: 89,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,423.36 : 151,023.36 = 64,714.24 : x
  2. Step 2: Convert to fraction form
    109,423.36/151,023.36 = 64,714.24/x
  3. Step 3: Cross multiply
    109,423.36x = 151,023.36 × 64,714.24
  4. Step 4: Simplify right side
    109,423.36x = 9,773,361,964.65
  5. Step 5: Solve for x
    x = 9,773,361,964.65/109,423.36
  6. Step 6: Final answer
    x = 89,316.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.