Home / 216,031.19-298,051.81-139,595.39

Finding the Fourth Proportional to 216,031.19, 298,051.81 and 139,595.39

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Solution

The fourth proportional to 216,031.19, 298,051.81 and 139,595.39 is: 192,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,031.19 : 298,051.81 = 139,595.39 : x
  2. Step 2: Convert to fraction form
    216,031.19/298,051.81 = 139,595.39/x
  3. Step 3: Cross multiply
    216,031.19x = 298,051.81 × 139,595.39
  4. Step 4: Simplify right side
    216,031.19x = 41,606,658,657.16
  5. Step 5: Solve for x
    x = 41,606,658,657.16/216,031.19
  6. Step 6: Final answer
    x = 192,595.61

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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.