Home / 159,109.85-219,516.95-98,658.74

Finding the Fourth Proportional to 159,109.85, 219,516.95 and 98,658.74

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Solution

The fourth proportional to 159,109.85, 219,516.95 and 98,658.74 is: 136,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,109.85 : 219,516.95 = 98,658.74 : x
  2. Step 2: Convert to fraction form
    159,109.85/219,516.95 = 98,658.74/x
  3. Step 3: Cross multiply
    159,109.85x = 219,516.95 × 98,658.74
  4. Step 4: Simplify right side
    159,109.85x = 21,657,264,104.76
  5. Step 5: Solve for x
    x = 21,657,264,104.76/159,109.85
  6. Step 6: Final answer
    x = 136,115.17

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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.