Home / 109,398.48-151,007.40-64,091.04

Finding the Fourth Proportional to 109,398.48, 151,007.40 and 64,091.04

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Solution

The fourth proportional to 109,398.48, 151,007.40 and 64,091.04 is: 88,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,398.48 : 151,007.40 = 64,091.04 : x
  2. Step 2: Convert to fraction form
    109,398.48/151,007.40 = 64,091.04/x
  3. Step 3: Cross multiply
    109,398.48x = 151,007.40 × 64,091.04
  4. Step 4: Simplify right side
    109,398.48x = 9,678,221,313.70
  5. Step 5: Solve for x
    x = 9,678,221,313.70/109,398.48
  6. Step 6: Final answer
    x = 88,467.60

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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.