Home / 159,113.61-219,569.27-87,496.65

Finding the Fourth Proportional to 159,113.61, 219,569.27 and 87,496.65

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Solution

The fourth proportional to 159,113.61, 219,569.27 and 87,496.65 is: 120,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,113.61 : 219,569.27 = 87,496.65 : x
  2. Step 2: Convert to fraction form
    159,113.61/219,569.27 = 87,496.65/x
  3. Step 3: Cross multiply
    159,113.61x = 219,569.27 × 87,496.65
  4. Step 4: Simplify right side
    159,113.61x = 19,211,575,130.46
  5. Step 5: Solve for x
    x = 19,211,575,130.46/159,113.61
  6. Step 6: Final answer
    x = 120,741.24

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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.