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Finding the Fourth Proportional to 159,088.76, 219,536.88 and 87,468.23

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Solution

The fourth proportional to 159,088.76, 219,536.88 and 87,468.23 is: 120,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,088.76 : 219,536.88 = 87,468.23 : x
  2. Step 2: Convert to fraction form
    159,088.76/219,536.88 = 87,468.23/x
  3. Step 3: Cross multiply
    159,088.76x = 219,536.88 × 87,468.23
  4. Step 4: Simplify right side
    159,088.76x = 19,202,502,313.32
  5. Step 5: Solve for x
    x = 19,202,502,313.32/159,088.76
  6. Step 6: Final answer
    x = 120,703.07

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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.