Home / 112,545.96-168,580.74-72,985.56

Finding the Fourth Proportional to 112,545.96, 168,580.74 and 72,985.56

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Solution

The fourth proportional to 112,545.96, 168,580.74 and 72,985.56 is: 109,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,545.96 : 168,580.74 = 72,985.56 : x
  2. Step 2: Convert to fraction form
    112,545.96/168,580.74 = 72,985.56/x
  3. Step 3: Cross multiply
    112,545.96x = 168,580.74 × 72,985.56
  4. Step 4: Simplify right side
    112,545.96x = 12,303,959,714.11
  5. Step 5: Solve for x
    x = 12,303,959,714.11/112,545.96
  6. Step 6: Final answer
    x = 109,323.87

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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.