Home / 154,805.47-213,545.03-97,423.38

Finding the Fourth Proportional to 154,805.47, 213,545.03 and 97,423.38

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Solution

The fourth proportional to 154,805.47, 213,545.03 and 97,423.38 is: 134,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,805.47 : 213,545.03 = 97,423.38 : x
  2. Step 2: Convert to fraction form
    154,805.47/213,545.03 = 97,423.38/x
  3. Step 3: Cross multiply
    154,805.47x = 213,545.03 × 97,423.38
  4. Step 4: Simplify right side
    154,805.47x = 20,804,278,117.68
  5. Step 5: Solve for x
    x = 20,804,278,117.68/154,805.47
  6. Step 6: Final answer
    x = 134,389.81

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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.