Home / 210,009.30-289,683.99-134,426.58

Finding the Fourth Proportional to 210,009.30, 289,683.99 and 134,426.58

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Solution

The fourth proportional to 210,009.30, 289,683.99 and 134,426.58 is: 185,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,009.30 : 289,683.99 = 134,426.58 : x
  2. Step 2: Convert to fraction form
    210,009.30/289,683.99 = 134,426.58/x
  3. Step 3: Cross multiply
    210,009.30x = 289,683.99 × 134,426.58
  4. Step 4: Simplify right side
    210,009.30x = 38,941,228,056.45
  5. Step 5: Solve for x
    x = 38,941,228,056.45/210,009.30
  6. Step 6: Final answer
    x = 185,426.21

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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.