Home / 210,100.32-289,931.82-119,466.18

Finding the Fourth Proportional to 210,100.32, 289,931.82 and 119,466.18

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Solution

The fourth proportional to 210,100.32, 289,931.82 and 119,466.18 is: 164,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,100.32 : 289,931.82 = 119,466.18 : x
  2. Step 2: Convert to fraction form
    210,100.32/289,931.82 = 119,466.18/x
  3. Step 3: Cross multiply
    210,100.32x = 289,931.82 × 119,466.18
  4. Step 4: Simplify right side
    210,100.32x = 34,637,046,995.85
  5. Step 5: Solve for x
    x = 34,637,046,995.85/210,100.32
  6. Step 6: Final answer
    x = 164,859.56

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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.