Home / 145,545.40-200,852.34-81,883.24

Finding the Fourth Proportional to 145,545.40, 200,852.34 and 81,883.24

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Solution

The fourth proportional to 145,545.40, 200,852.34 and 81,883.24 is: 112,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,545.40 : 200,852.34 = 81,883.24 : x
  2. Step 2: Convert to fraction form
    145,545.40/200,852.34 = 81,883.24/x
  3. Step 3: Cross multiply
    145,545.40x = 200,852.34 × 81,883.24
  4. Step 4: Simplify right side
    145,545.40x = 16,446,440,360.78
  5. Step 5: Solve for x
    x = 16,446,440,360.78/145,545.40
  6. Step 6: Final answer
    x = 112,998.70

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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.