Home / 163,545.30-245,087.55-121,094.10

Finding the Fourth Proportional to 163,545.30, 245,087.55 and 121,094.10

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Solution

The fourth proportional to 163,545.30, 245,087.55 and 121,094.10 is: 181,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545.30 : 245,087.55 = 121,094.10 : x
  2. Step 2: Convert to fraction form
    163,545.30/245,087.55 = 121,094.10/x
  3. Step 3: Cross multiply
    163,545.30x = 245,087.55 × 121,094.10
  4. Step 4: Simplify right side
    163,545.30x = 29,678,656,288.46
  5. Step 5: Solve for x
    x = 29,678,656,288.46/163,545.30
  6. Step 6: Final answer
    x = 181,470.55

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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.