Home / 160,418.91-240,545.29-85,518.93

Finding the Fourth Proportional to 160,418.91, 240,545.29 and 85,518.93

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Solution

The fourth proportional to 160,418.91, 240,545.29 and 85,518.93 is: 128,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,418.91 : 240,545.29 = 85,518.93 : x
  2. Step 2: Convert to fraction form
    160,418.91/240,545.29 = 85,518.93/x
  3. Step 3: Cross multiply
    160,418.91x = 240,545.29 × 85,518.93
  4. Step 4: Simplify right side
    160,418.91x = 20,571,175,817.34
  5. Step 5: Solve for x
    x = 20,571,175,817.34/160,418.91
  6. Step 6: Final answer
    x = 128,234.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.