Home / 163,421.16-225,545.58-99,795.84

Finding the Fourth Proportional to 163,421.16, 225,545.58 and 99,795.84

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Solution

The fourth proportional to 163,421.16, 225,545.58 and 99,795.84 is: 137,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,421.16 : 225,545.58 = 99,795.84 : x
  2. Step 2: Convert to fraction form
    163,421.16/225,545.58 = 99,795.84/x
  3. Step 3: Cross multiply
    163,421.16x = 225,545.58 × 99,795.84
  4. Step 4: Simplify right side
    163,421.16x = 22,508,510,614.39
  5. Step 5: Solve for x
    x = 22,508,510,614.39/163,421.16
  6. Step 6: Final answer
    x = 137,733.15

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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.