Home / 216,465.16-298,710.84-120,953.20

Finding the Fourth Proportional to 216,465.16, 298,710.84 and 120,953.20

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Solution

The fourth proportional to 216,465.16, 298,710.84 and 120,953.20 is: 166,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,465.16 : 298,710.84 = 120,953.20 : x
  2. Step 2: Convert to fraction form
    216,465.16/298,710.84 = 120,953.20/x
  3. Step 3: Cross multiply
    216,465.16x = 298,710.84 × 120,953.20
  4. Step 4: Simplify right side
    216,465.16x = 36,130,031,972.69
  5. Step 5: Solve for x
    x = 36,130,031,972.69/216,465.16
  6. Step 6: Final answer
    x = 166,909.22

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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.